【学习笔记】This关键字

package com.shine;


public class Entry {

int n;

public Entry() {

// this.n = 6;
n = 8;

System.out.println("Entry constructor: " + toString());
}


public static void main(String[] args) {

System.out.println("...");
Entry mEntry = new Entry();
System.out.println(mEntry);
System.out.println("mEntry: " + mEntry.toString());

System.out.println("n = " + mEntry.n);

mEntry.methodA(9);
System.out.println("An = " + mEntry.n);

mEntry.methodB(7);
System.out.println("Bn = " + mEntry.n);
}

public void methodA(int m) {

n = m;
System.out.println("methodA: " + toString());
}

public void methodB(int n) {

this.n = n; //当成员方法的参数与成员变量相同时，使用this区别成员变量
System.out.println("methodB: " + toString());
}
}