标签:
源代码
class InitializeBlockClass{
	{
		field =200;
	}
	public int field =100;
	public InitializeBlockClass(int valve){
		this.field=valve;
	}
	public InitializeBlockClass(){
		
	}
}
public class Test {
	public static void main(String[] args) {
		InitializeBlockClass obj =new InitializeBlockClass();
		System.out.println(obj.field);
		
		obj =new InitializeBlockClass(300);
		System.out.println(obj.field);
}
}

java字段的初始化默认为空。
标签:
原文地址:http://www.cnblogs.com/zxr-1996/p/4888391.html