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2 changed files with 0 additions and 38 deletions

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public class Example20 {
public static void main(String[] args) {
int area = getArea(3, 5);
System.out.println("The area is " + area);
}
public static int getArea(int x, int y) {
int temp = x * y;
return temp;
}
}

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@ -1,27 +0,0 @@
public class Example21 {
public static void main(String[] args) {
// 下面针对求和方法的调用
int sum1 = add(1, 2);
int sum2 = add(2, 2, 3);
double sum3 = add(1.2, 2.3);
// 下面的代码是打印求和的结果
System.out.println("sum1 = " + sum1);
System.out.println("sum2 = " + sum2);
System.out.println("sum3 = " + sum3);
}
// 下面的方法实现了两个整数相加
public static int add(int a, int b) {
return a + b;
}
// 下面的方法实现了三个整数相加
public static int add(int a, int b, int c) {
return a + b + c;
}
// 下面的方法实现了两个小数相加
public static double add(double a, double b) {
return a + b;
}
}