@Test
	public void switchCase(){
		this.net(2);
	}
	private void net(int network){
		switch (network) {
			case 1: {
				System.out.println("BAIDU");
				break;
			}
			case 2:
			case 3: {
				System.out.println("BAIDUpeview");
				break;
			}
			case 4: {
				break;
			}
			case 5:
			case 6: {
				break;
			}
			case 7:{
				break;
			}
			case 8: 
			case 9:{			
				break;
			}
			default: {
			System.out.println("network [" + network +" is not match ....");
				break;
			}
	
		}
	}
通过这个例子列举出来了switch case的所有情况  看一次执行  就全部明白了。java中switch case和break使用,布布扣,bubuko.com
原文:http://blog.csdn.net/u012516914/article/details/38725227