add BooleanDemo

CodeCoderCoding · CodeCoderCoding · commit 8e1e98d6a412 · 2023-01-13T13:16:02.000+08:00
diff --git a/src/ABasic/A6Boolean/BooleanDemo.java b/src/ABasic/A6Boolean/BooleanDemo.java
@@ -0,0 +1,22 @@
+package ABasic.A6Boolean;
+
+public class BooleanDemo {
+
+    public static void main(String[] args) {
+        boolean bool=test();
+        // bool被装箱为Boolean
+        if(Boolean.TRUE.equals(bool)){
+            System.out.println("true");
+        }else{
+            System.out.println("false");
+        }
+        if(bool){
+            System.out.println("true");
+        }
+    }
+
+    public static boolean test(){
+        return true;
+    }
+
+}
