fix bug

ch_06/Exercise06_03.java

@@ -26,15 +26,14 @@ public static void main(String[] args) {
  }
  }
 
- public static int reverse(int number) {
- String temp = "";
- while (number > 0) {
- int t = number % 10;
- number /= 10;
- temp += t;
-
- }
- return Integer.parseInt(temp);
+ public static int reverse(int n) {
+ int num1 = 0;
+ while( n != 0){
+ num1 =num1 *10;
+ num1 += n % 10 ;
+ n = n / 10;
+ }
+ return num1;
  }
 
  public static boolean isPalindrome(int number) {
@@ -44,4 +43,4 @@ public static boolean isPalindrome(int number) {
  return n1.equals(n2);
 
  }
-}
+}

ch_06/Exercise06_05.java

@@ -16,15 +16,20 @@ public class Exercise06_05 {
  public static void displaySortedNumbers(double num1, double num2, double num3) {
  double temp;
 
- if (num1 > num2) {
+ if( num1 < num2 ){
+ temp = num1;
+ num1 = num2;
+ num2 = temp ;
+ }
+ if(num1 < num3){
+ temp = num1 ;
+ num1 = num3;
+ num3 = temp;
+ }
+ if( num2 < num3){
  temp = num2;
- num2 = num1;
- num1 = temp;
- } else if (num2 > num3) {
- temp = num3;
- num3 = num2;
- num2 = temp;
-
+ num2 = num3;
+ num3 = temp;
  }
  System.out.println(num1 + " " + num2 + " " + num3);
  }