构造代码块作用:/hspingcc/article/details/54893853
package com.spring.partise;class A{A(){System.out.println("无参构造方法");}A(String str){System.out.println("带参数构造方法");}static{System.out.println("静态代码块");}{System.out.println("构造代码块");}}public class helllo {public static void main(String[] args) throws Exception {A a = new A();System.out.println("---------------------------");A b = new A("test");}}
输出:
静态代码块构造代码块无参构造方法---------------------------构造代码块带参数构造方法