数字交换

/**
 * 数值交换
 */
public static void switchNumbers(){
    int fristNumber=60;
    int secondNumber=80;
    int temp;
    System.out.println("数字交换前：");
    System.out.println("firstNumber="+fristNumber);
    System.out.println("secondNumer="+secondNumber);
    //开始数值交换
    temp=fristNumber;
    fristNumber=secondNumber;
    secondNumber=temp;
    System.out.println("数值交换后：");
    System.out.println("firstNumber="+fristNumber);
    System.out.println("secondNumber="+secondNumber);
}