Java Pattern Problem

 * * * * * * * * * * * * * * * public static void main(String[] args) { // number of lines in the pattern int n = 5; //outer loop iterates over n; for(int row = 1; row <=n; row++){ //inner loop iterates over row; for(int col = 1; col <=row; col++){ //print *; System.out.print("* "); } //print new line; System.out.println(); } } 

 * * * * * * * * * * * * * * * public static void main(String[] args) { // number of lines in the pattern; int n = 5; // outer loop iterates over number of lines; for(int row = 1; row <= n; row++) { // inner loop iterates over the formula (n + 1)-row ; for(int col = 1; col <= n+1-row; col++) { //print * System.out.print("* "); } // add new line System.out.println(); } } 

 1 1 2 1 2 3 1 2 3 4 1 2 3 4 5 public static void main(String[] args) { // number of lines in the pattern int n = 5; //outer loop iterates over n; for(int row = 1; row <=n; row++){ //inner loop iterates over row; for(int col = 1; col <=row; col++){ //print *; System.out.print(col + " "); } //print new line; System.out.println(); } } 

 * * * * * * * * * * * * * * * * * * * * * * * * * public static void main(String[] args) { // number of lines look similar int n = 5; // outer loop iterates over number of lines in the pattern for(int row = 1; row < 2*n; row++) { // calculate number of columns in a row int noOfCol = row > n ? 2*n - row : row; // inner loop iterates over number of columns for(int col = 1; col <= noOfCol; col++) { // print * System.out.print("* "); } // add new line after every row System.out.println(); } } 

 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * public static void main(String[] args) { // number of lines look similar int n = 5; // outer loop iterates over number of lines in the pattern for(int row = 1; row < 2*n; row++){ // calculate number of columns in a row int noOfCols = row > n ? row+1-n : n+1-row; // inner loop iterates over number of columns for(int col = 1; col <= noOfCols; col++) { // print * System.out.print("* "); } // After printing each row, add a new line System.out.println(); } } 

 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * public static void main(String[] args) { // number of lines look similar int n = 5; // outer loop iterates over number of lines in the pattern for(int row = 1; row <= 2*n; row++) { // calculate number of columns in a row int noOfCol = row > n ? 2*n - row+1 : row; // inner loop iterates over number of columns for(int col = 1; col <= noOfCol; col++) { // print * System.out.print("* "); } // add new line after every row System.out.println(); } } 

 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * public static void main(String[] args) { // number of similar lines that don't repeated int n = 5; // outer loop iterates over number of lines for(int row = 1; row <=2*n; row++) { // calculate the number of columns in each row int noOfCols = row > n? row - n : (n+1)-row ; // inner loop iterates over number of columns for(int col = 1; col <= noOfCols; col++) { // print * System.out.print("* "); } // after printing each row, add a new line System.out.println(); } } 

 * * * * * * * * * * * * * * * public static void main(String[] args) { // number of lines in the pattern int n = 5; // outer loop iterates over Number of lines which is rows for(int row = 1; row <= n; row ++) { // number of columns for printing space int noOfSpaces = n-row; // inner loop iterates over Number of spaces for(int space = 1; space <= noOfSpaces; space ++) { System.out.print(" "); } // number of columns for printing star int noOfStars = row; // inner loop iterates over Number of stars for(int star = 1; star <= noOfStars; star ++) { System.out.print("* "); } // after printing each row, add a new line System.out.println(); } } 

 * * * * * * * * * * * * * * * public static void main(String[] args) { // number of lines in the pattern int n = 5; // outer loop iterates over Number of lines which is rows for(int row = 1; row <= n; row ++) { // number of columns for printing space int noOfSpaces = row-1; // inner loop iterates over Number of spaces for(int space = 1; space <= noOfSpaces; space ++) { System.out.print(" "); } // number of columns for printing star int noOfStars = n+1-row; // inner loop iterates over Number of stars for(int star = 1; star <= noOfStars; star ++) { System.out.print("* "); } // after printing each row, add a new line System.out.println(); } } 

 * * * * * * * * * * * * * * * * * * * * * * * * * public static void main(String[] args) { // number of lines in the pattern int n = 5; // outer loop executes until the number of lines is reached for(int row = 1; row <=n; row++) { // number of spaces in the columns int noOfSpaces = n - row; // inner loop executes until the number of spaces is reached for(int space = 1; space <=noOfSpaces; space++) { System.out.print(" "); } // number of stars in the columns int noOfStars = row + row-1; // inner loop executes until the number of stars is reached for(int star = 1; star <= noOfStars; star++) { System.out.print("* "); } // after printing each row,add a new line System.out.println(); } } 

 * * * * * * * * * * * * * * * * * * * * * * * * * public static void main(String[] args) { // number of lines in the pattern int n = 5; // outer loop executes until the number of lines is reached for(int row = 1; row <=n; row++) { // number of spaces in the columns int noOfSpaces = row-1; // inner loop executes until the number of spaces is reached for(int space = 1; space <=noOfSpaces; space++) { System.out.print(" "); } // number of stars in the columns int noOfStars = 2* (n-row)+1; // inner loop executes until the number of stars is reached for(int star = 1; star <= noOfStars; star++) { System.out.print("* "); } // after printing each row,add a new line System.out.println(); } } 

 * * * * * * * * * * * * * * * public static void main(String[] args) { // number of lines in the pattern int n = 5; // outer loop iterates over Number of lines which is rows for(int row = 1; row <= n; row ++) { // number of columns for printing space int noOfSpaces = n-row; // inner loop iterates over Number of spaces for(int space = 1; space <= noOfSpaces; space ++) { System.out.print(" "); } // number of columns for printing star int noOfStars = row; // inner loop iterates over Number of stars for(int star = 1; star <= noOfStars; star ++) { System.out.print("* "); } // after printing each row, add a new line System.out.println(); } } 

 * * * * * * * * * * * * * * * public static void main(String[] args) { // number of lines in the pattern int n = 5; // outer loop iterates over Number of lines which is rows for(int row = 1; row <= n; row ++) { // number of columns for printing space int noOfSpaces = row-1; // inner loop iterates over Number of spaces for(int space = 1; space <= noOfSpaces; space ++) { System.out.print(" "); } // number of columns for printing star int noOfStars = n-row+1; // inner loop iterates over Number of stars for(int star = 1; star <= noOfStars; star ++) { System.out.print("* "); } // after printing each row, add a new line System.out.println(); } } 

 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * public static void main(String[] args) { // number of lines in the pattern which is rows int N = 10; // number of similar lines in the pattern int n = 5; // outer loop iterates over the number of lines N for (int row = 1; row <= N; row++) { // number of spaces in the column int noOfSpaces = row > n ? N - row : row - 1; // inner loop iterates over the number of spaces for(int space = 1; space <= noOfSpaces; space++) { System.out.print(" "); } // number of stars in the column int noOfStars = row > n ? row-n : n-row+1; // inner loop iterates over the number of stars for(int stars = 1; stars <= noOfStars; stars++) { System.out.print("* "); } // add a new line after printing rows System.out.println(); } } 

 * * * * * * * ********* public static void main(String[] args) { // number of lines in the pattern int n = 5; // outer loop will be executed till the number of lines for(int row = 1; row <=n; row++) { // number of spaces in the column before printing star int noOfSpaces = n -row; //inner loop executes until the noOfSpaces is reached for(int space = 1; space <=noOfSpaces; space++) { // print spaces System.out.print(" "); } // number of stars and spaces in the pattern int noOfStars = row + row -1; // inner loop executes until the noOfStars is reached for(int star = 1; star <= noOfStars; star++){ // print stars in first, last in the column and last row if(star ==1 || star == noOfStars || row == n){ System.out.print("*"); } // otherwise print spaces else System.out.print(" "); } // adding a new line after printing each row System.out.println(); } } 

 ********* * * * * * * * public static void main(String[] args) { // number of lines in the pattern int n = 5; // outer loop will be executed till the number of lines for(int row = 1; row <=n; row++) { // number of spaces in the column before printing star int noOfSpaces = row-1; //inner loop executes until the noOfSpaces is reached for (int space = 1; space <= noOfSpaces; space++) { // print spaces System.out.print(" "); } // number of stars and spaces in the pattern int noOfStars = 2*n-row- noOfSpaces; // inner loop executes until the noOfStars is reached for (int star = 1; star <= noOfStars; star++) { // print stars in first, last in the column and last row if (star == 1 || star == noOfStars || row == 1) { System.out.print("*"); } // otherwise print spaces else System.out.print(" "); } // adding a new line after printing each row System.out.println(); } } 

 ***** * * * * * * ***** public static void main(String[] args) { // number of lines in the pattern int l = 5; // outer loop executes over l for(int row = 1; row <=l; row ++) { // number of stars and spaces in a row; int noOfStars = l ; // inner loop executes over noOfStars; for(int star = 1; star <=noOfStars; star ++) { // print star in column first,column last, row first and row last positions if(star == 1 || star == noOfStars || row == l || row == 1){ System.out.print("*"); } // print spaces else System.out.print(" "); } // add a new line after each row System.out.println(); } } 

 * * * * * * * * * * * * * * * * * * * * * * * * * public static void main(String[] args) { // total lines in the pattern int l = 5; // outer loop executes over the l for(int row = 1; row <= l; row++) { // number of Spaces before printing stars int noOfSpaces = row - 1; // inner loop executes over noOFSpaces; for(int space = 1; space <= noOfSpaces; space++) { // print space System.out.print(" "); } // number of stars; int noOfStars = l; // inner loop executes over noOfStars; for(int star = 1; star <= noOfStars; star++) { // print star System.out.print("* "); } // add a new line before executes next row System.out.println(); } } 

 ***** * * * * * * ***** public static void main(String[] args) { // number of lines in the pattern int l = 5; // outer loop for executing the number of rows which is equal to number of lines l for(int row = 1; row <=l; row ++) { // number of spaces in the column before printing stars int noOfSpaces = l - row; // inner loop executes over noOfSpaces for(int spaces = 1; spaces <= noOfSpaces; spaces++) { // print stars before printing stars System.out.print(" "); } // number of stars and middle spaces int noOfStars = l; // inner loop executes over noOfStars for(int stars = 1; stars <=noOfStars; stars++) { // print stars in first and last position of column and row if(stars == 1 || stars == noOfStars || row == 1 || row == l){ System.out.print("*"); } // otherwise print middle spaces else System.out.print(" "); } // add a new line after each row System.out.println(); } } 

 ***** * * * * * * ***** public static void main(String[] args) { // number of lines in the pattern int l = 5; // outer loop for executing the number of rows which is equal to number of lines l for(int row = 1; row <=l; row ++) { // number of spaces in the column before printing stars int noOfSpaces = row -1; // inner loop executes over noOfSpaces for(int spaces = 1; spaces <= noOfSpaces; spaces++) { // print stars before printing stars System.out.print(" "); } // number of stars and middle spaces int noOfStars = l; // inner loop executes over noOfStars for(int stars = 1; stars <=noOfStars; stars++) { // print stars in first and last position of column and row if(stars == 1 || stars == noOfStars || row == 1 || row == l){ System.out.print("*"); } // otherwise print middle spaces else System.out.print(" "); } // add a new line after each row System.out.println(); } } 

 * * * * * * * * * * * * * * * * public static void main(String[] args) { // number of lines int l = 9; // number of similar lines int n = l/2+1; // outer loop iterates over l; for(int row = 1; row <= l; row++) { // number of spaces before printing each column int noOfSpaces = row > n ? row - n : n - row ; // inner loop iterates over noOfSpaces; for(int space = 1; space <= noOfSpaces; space++) { // print spaces System.out.print(" "); } // number of stars in a column int noOfStars = row > n ? 2*n - row : row ; // inner loop iterates over noOfStars; for(int star = 1; star <= noOfStars; star++) { // star print in first and last column in a row if(star == 1 || star == noOfStars) { System.out.print("* "); } // otherwise print spaces else System.out.print(" "); } // add a new line after each row System.out.println(); } } 

 1 1 1 1 2 1 1 3 3 1 1 4 6 4 1 public static void main(String[] args) { // number of lines int n = 5; // outer loop iterates over n; for(int row = 1; row <= n; row++) { // set num = 1; int num = 1; // number of spaces before printing elements int noOfSpaces = n - row ; // outer loop iterates over noOfSpaces; for(int space = 1; space <= noOfSpaces; space++) { // print spaces System.out.print(" "); } // inner loop iterates over row; for(int col = 1 ; col <= row; col++) { // print num; System.out.print(num + " "); // update num value for next number num = num * (row - col)/ (col); } // add a new line System.out.println(); } } 

 1 212 32123 4321234 32123 212 1 public static void main(String[] args) { // number of input int n = 4; // number of lines int N = 2*n-1; // outer loop iterates over N; for(int row = 1; row <= N; row++) { // number of spaces in a row int noOfSpaces = row > n ? row - n : n - row ; // inner loop iterates over noOfSpaces; for(int space = 1; space <= noOfSpaces; space++) { // print space System.out.print(" "); } // number of cols c; int c = row > n ? 2*n-row : row ; // from c to 1 for(int col = c; col >= 1 ; col--) { System.out.print(col); } // from 2 to c; for(int col = 2; col <=c ; col++) { System.out.print(col); } System.out.println(); } } 

 1 0 1 1 0 1 0 1 0 1 1 0 1 0 1 public static void main(String[] args) { // number of lines int n = 5; // outer loop iterates over n; for (int row = 1; row <= n; row++) { // inner loop executes each col till number of rows; for (int col = 1; col <= row; col++) { // print 1 for even if ((row + col) % 2 == 0) { System.out.print(1+ " "); } // print 0 for odd else { System.out.print(0+ " "); } } // add a new line System.out.println(); } }