testconcat.java

来自「由浅入深的介绍JAVAse的基本编程思想」· Java 代码 · 共 10 行

public class TestConcat{
	public static void main(String args[]){
		int i = 300 +5;
		String s = "Hello, " + "world!";
		System.out.println(s);   
		s = "你好, " + i  + "号";
		System.out.println(s);   
	}	
}