structdemo.java

软通公司培训的课件和习题里面有答案。。。

package com.iss.five;

public class StructDemo {

	private int a,b;
	
	public StructDemo(int a){
		this.a = a ;
	}
	
	public StructDemo(int a,int b){
		this.a = a ;
		this.b = b ;
	}
	
	
	public static void main(String[] args) {
		// StructDemo s1 = new StructDemo();   // 错误
		StructDemo s2 = new StructDemo(1);
		StructDemo s3 = new StructDemo(1,2) ;

	}

}