Merge pull request #78 from Zobiya-Jumani21/master

basic-java-programs

Author: Anushka-codergirl

Programs/Basic-java-program/Array.java

@@ -0,0 +1,16 @@
+public class Array{
+
+public static void main(String args []){
+
+// System.out.print(args[0]);
+
+/*for(int i=0; i<args.length; i++){
+System.out.println(args[i]); */
+ 
+ int sum=0;
+for(int i=0; i<args.length; i++)
+sum=sum+Integer.parseInt(args[i]);
+System.out.print("sum ="+sum);
+
+}
+ }

Programs/Basic-java-program/Ascii.java

@@ -0,0 +1,18 @@
+class Ascii{
+
+public static void main(String args [ ]){
+
+ int num=0;
+char ch;
+
+do{
+ch =(char)num;
+
+System.out.print(ch + " ,");
+num++;
+}
+while(num!=255);
+
+
+}
+}

Programs/Basic-java-program/Average.java

@@ -0,0 +1,17 @@
+class Average{
+
+public static void main(String args []){
+
+float num1=4F, num2=3.6F, num3=22.2F, num4=5.5F, num5=7.6F;
+float sum,average;
+
+sum=num1+num2+num3+num4+num5;
+
+average=sum/5;
+
+System.out.println("Sum is : " +sum);
+System.out.println("Average is : " + average);
+
+}
+}
+

Programs/Basic-java-program/Bitwise.java

@@ -0,0 +1,22 @@
+public class Bitwise{
+public static void main(String []args){
+int x=4;
+int y=3, z=-4,result;
+
+result=y|x;
+System.out.print(result);
+
+
+result=y&x;
+System.out.println( );
+System.out.print(result);
+
+result=y^x;
+System.out.println( );
+System.out.print(result);
+
+System.out.println( );
+System.out.print(~x);
+
+
+}}

Programs/Basic-java-program/By.java

@@ -0,0 +1,37 @@
+class By{
+String name;
+int age;
+String rollNum;
+
+By( ) { name="ABC";
+age= 00;
+rollNum="GGG";}
+
+By( String n, int a , String r){
+name=n;
+age=a;
+rollNum=r;}
+
+By (By B){
+this.name=B.name;
+this.age=B.age;
+this.rollNum=B.rollNum;}
+
+void duplicate(By B){
+//this.name=B.name;
+this.rollNum=B.rollNum;
+this.name=B.name="Na";
+}
+
+
+public static void main(String args []){
+ By b1, b2, b3,s4;
+b1= new By();
+b2= new By("Zobiya" , 111, "21sw140");
+b3= new By(b2.name);
+System.out.print(s1.name);
+s4 = new By( );
+s4.duplicate(s2);
+
+}
+}

Programs/Basic-java-program/Calculator.java

@@ -0,0 +1,50 @@
+import java.util.Scanner;
+
+class Calculator{
+
+public static void main(String args []){
+
+
+Scanner input = new Scanner(System.in);
+
+System.out.print("Enter a first number : ");
+
+int num1= input.nextInt();
+
+System.out.println("Enter a second number : ");
+
+int num2 =input.nextInt();
+
+System.out.println("Enter Any Operation [+,-,*,/] : ");
+
+char ch =input.next( ).charAt(0);
+float sum,product,sub,division;
+
+switch(ch)
+{
+case '+' :
+sum=num1+num2;
+System.out.print("Sum of two number is : " + sum);
+break;
+ 
+case '-' :
+sub=num1-num2;
+System.out.print("Sub of number one from number two is : " + sub);
+break;
+
+case '*' :
+product=num1*num2;
+System.out.print("product of two number is : " + product);
+break;
+
+case '/' :
+division=num1/num2;
+System.out.print("Division of number 1 with number 2 is : " + division);
+break;
+
+
+default :
+ System.out.print("DEfault ");
+}
+}
+}

Programs/Basic-java-program/Camera.java

@@ -0,0 +1,12 @@
+class Camera{
+
+public static void main(String args []){
+
+for(int i=0; i<args.length; i++){
+
+
+System.out.print(args [i]);
+}
+
+}
+}

Programs/Basic-java-program/Car.java

@@ -0,0 +1,18 @@
+class Car{
+ 
+static int num_of_weeks;
+
+Car( ){ ++num_of_weeks;}
+
+public static void main(String args []){
+
+System.out.println(Car.num_of_weeks); // without constructer output is 0
+
+Car.num_of_weeks=4;
+System.out.println(Car.num_of_weeks); // in main function we give value 4
+
+Car car1=new Car( );
+
+System.out.println(car1.num_of_weeks); //with the constructer 5
+}
+}

Programs/Basic-java-program/Cast.java

@@ -0,0 +1,22 @@
+
+import java.util.Scanner;
+
+class Cast{
+ public static void main(String args []){
+
+Scanner scan = new Scanner(System.in);
+
+System.out.print("Enter the value");
+
+double d = scan.nextDouble();
+
+int n=(int)d;
+System.out.println("Integer value is : " + " " + n);
+double f=d-n;
+System.out.println("fraction value is : " + " " + f);
+
+}
+}
+
+
+

Programs/Basic-java-program/Charyo.java

@@ -0,0 +1,87 @@
+import java.util.ArrayList;
+ class University {
+
+ String uname;
+ ArrayList<Students> studentsList = new ArrayList<Students>();
+ ArrayList<Departments> deptList = new ArrayList<Departments>();
+
+ // one argunment Constructer when we pass the name of student in return the object
+ University(String uni, String[] snames, String[] dnames) {
+ uname=uni;
+// to find out number of names which are pass in this object we write for loop
+ for (int i = 0; i < snames.length; i++) {
+ studentsList.add(new Students(snames[i]));
+ }
+ for (int j = 0; j < dnames.length; j++) {
+ deptList.add(new Departments(dnames[j]));
+ }
+ } // end of constructer
+
+ // students class inside university class
+ class Students {
+ String snames;
+ Departments dept;
+
+ Students(String snames) {
+ this.snames = snames;
+ }
+
+ void display() {
+ System.out.print(" name of the student is : " + snames);
+
+ }
+ }
+
+ class Departments {
+ String dnames;
+ ArrayList<Students>deptstudents = new ArrayList<Students>();
+
+ Departments(String dnames) {
+ this.dnames = dnames;
+ }
+
+ // display all the students name which are study in that department
+ public void displayStudents() {
+ for (int i = 0; i < deptstudents.size(); i++) {
+ System.out.println(deptstudents.get(i).snames);
+
+ }
+ }
+ } // end of departments class
+
+ Departments getDepartments(String name) {
+ for (int i = 0; i < deptList.size(); i++) {
+ if (deptList.get(i).dnames.equals(name))
+ return deptList.get(i);
+ }
+ return null;
+ }
+
+ Students getstudents(String name) {
+ for (int j = 0; j < studentsList.size(); j++) {
+ if (studentsList.get(j).snames.equals(name))
+ return studentsList.get(j);
+ }
+ return null;
+ }
+
+ public void enrollIn(Departments d, Students s) {
+ s.dept = d;
+ d.deptstudents.add(s);
+ }
+
+ public void displayStudentsInDept(Departments d) {
+ d.displayStudents();
+ }
+
+}
+ // university class end here
+ public class Charyo{
+ public static void main(String[] args) {
+ String [] snames={ "Ali","Mohsin","Ahsan","Muhsin","Zakir"};
+ String [] dept= {"SW","CS"};
+ University muet=new University("Mehran UET ",snames,dept);
+ muet.enrollIn(muet.getDepartments("SW"),muet.getstudents("Ali") );
+ muet.displayStudentsInDept(muet.getDepartments("SW"));
+ }
+ }