类型转换

enjoyCoding666 · enjoyCoding666 · commit 487c950c38fd · 2020-04-09T20:32:56.000+08:00
diff --git a/src/main/java/com/string/StringToIntegerDemo.java b/src/main/java/com/string/StringToIntegerDemo.java
@@ -16,7 +16,7 @@ public static void main(String[] args) {
 //		objectToString();
 //		nullToEmpty();
 //		strToInteger();
-		integerValueOfDemo();
+//		integerValueOfDemo();
 	}
 
 	public static void nullToEmpty() {
@@ -41,4 +41,9 @@ public static void integerValueOfDemo() {
 		Integer value = Integer.valueOf(str);
 		System.out.println(value);
 	}
+
+	public static void intToInteger() {
+		int value=0;
+		Integer val=(Integer)value;
+	}
 }

Original file line number	Diff line number	Diff line change
`@@ -16,7 +16,7 @@ public static void main(String[] args) {`
`16`	`16`	`// objectToString();`
`17`	`17`	`// nullToEmpty();`
`18`	`18`	`// strToInteger();`
`19`		`- integerValueOfDemo();`
	`19`	`+// integerValueOfDemo();`
`20`	`20`	`}`
`21`	`21`
`22`	`22`	`public static void nullToEmpty() {`
`@@ -41,4 +41,9 @@ public static void integerValueOfDemo() {`
`41`	`41`	`Integer value = Integer.valueOf(str);`
`42`	`42`	`System.out.println(value);`
`43`	`43`	`}`
	`44`	`+`
	`45`	`+ public static void intToInteger() {`
	`46`	`+ int value=0;`
	`47`	`+ Integer val=(Integer)value;`
	`48`	`+ }`
`44`	`49`	`}`