java学习之旅35--面向对象_08_方法重载_构造方法重载

1. 重载（一句话：重载只与参数列表有关，与返回值类型无关）
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   • TestOverload.java

   • public class TestOverload {private int x;public int add(int a,int b){return a+b;}public int add(int a,int b,int c){return a+b+c;}public int add(double a,int b){return (int) (a+b);}public TestOverload() {}public TestOverload(int x){this.x = x;}public static void main(String[] args) {TestOverload t = new TestOverload();System.out.println(t.add(3, 4));System.out.println(t.add(1, 2, 3));System.out.println(t.add(1.2, 3));}}