@@ -0,0 +1,578 @@
+import java.util.Scanner;%0A%0Apublic class ExchangeVariableValues %7B%0A    public static void main(String%5B%5D args) %7B%0A        Scanner scanner = new Scanner(System.in);%0A        int a = Integer.parseInt(scanner.nextLine());%0A        int b = Integer.parseInt(scanner.nextLine());%0A%0A        System.out.println(%22Before:%22);%0A        System.out.printf(%22a = %25d%25n%22, a);%0A        System.out.printf(%22b = %25d%25n%22, b);%0A%0A        System.out.println(%22After:%22);%0A        int temp = b;%0A        b = a;%0A        a = temp;%0A        System.out.printf(%22a = %25d%25n%22, a);%0A        System.out.printf(%22b = %25d%25n%22, b);%0A%0A   %7D%0A%7D%0A

Create 07.1.ExchangeVariableValues.java