add logseq-java

2024-02-02 00:12:49 +08:00
parent 1cd5bb460f
commit c7947017c3
875 changed files with 57100 additions and 0 deletions
--- a/logseq-java/pages/switch.md
+++ b/logseq-java/pages/switch.md
@@ -0,0 +1,27 @@
+- 也是一种多分支结构 #多分支
+- 与IF相比较,判断条件更多是几个固定的值
+- **语法**
+	- ```java
+	  int num = 值;
+	  switch(num){
+	  	case 值1:
+	      	//代码块1
+	  		break;
+	  	case 值2:
+	      	//代码块2
+	  		break;
+	   	case 值3:
+	      	//代码块3
+	   		break;
+	      ......
+	  	default:
+	      	//默认语句代码块
+	  		break;
+	  }
+	  
+	  ```
+- switch中支持的数据类型
+	- JDK1.7
+		- byte,short,int,long
+	- JDK1.8
+		- 增加String,枚举