refactor: this 키워드 추가

ksundong · ksundong · commit 16e4ca3f63f9 · 2020-08-07T13:56:23.000+09:00
diff --git a/yoonexample/src/main/java/tree/expressiontree/ExpressionTreeImpl.java b/yoonexample/src/main/java/tree/expressiontree/ExpressionTreeImpl.java
@@ -22,7 +22,7 @@ public ExpressionTreeImpl(char[] postfixExpression) {
       stack.push(node);
     }
 
-    root = stack.pop();
+    this.root = stack.pop();
   }
 
   @Override

Original file line number	Diff line number	Diff line change
`@@ -22,7 +22,7 @@ public ExpressionTreeImpl(char[] postfixExpression) {`
`22`	`22`	`stack.push(node);`
`23`	`23`	`}`
`24`	`24`
`25`		`- root = stack.pop();`
	`25`	`+ this.root = stack.pop();`
`26`	`26`	`}`
`27`	`27`
`28`	`28`	`@Override`