refactor 150

fishercoder1534 · fishercoder1534 · commit 9da550315bdf · 2020-03-25T12:53:52.000-07:00
diff --git a/src/main/java/com/fishercoder/solutions/_150.java b/src/main/java/com/fishercoder/solutions/_150.java
@@ -8,28 +8,23 @@
  * 150. Evaluate Reverse Polish Notation
  *
  * Evaluate the value of an arithmetic expression in Reverse Polish Notation.
- *
  * Valid operators are +, -, *, /. Each operand may be an integer or another expression.
  *
  * Note:
- *
  *     Division between two integers should truncate toward zero.
  *     The given RPN expression is always valid. That means the expression would always evaluate to a result and there won't be any divide by zero operation.
  *
  * Example 1:
- *
  * Input: ["2", "1", "+", "3", "*"]
  * Output: 9
  * Explanation: ((2 + 1) * 3) = 9
  *
  * Example 2:
- *
  * Input: ["4", "13", "5", "/", "+"]
  * Output: 6
  * Explanation: (4 + (13 / 5)) = 6
  *
  * Example 3:
- *
  * Input: ["10", "6", "9", "3", "+", "-11", "*", "/", "*", "17", "+", "5", "+"]
  * Output: 22
  * Explanation:

Original file line number	Diff line number	Diff line change
`@@ -8,28 +8,23 @@`
`8`	`8`	`* 150. Evaluate Reverse Polish Notation`
`9`	`9`	`*`
`10`	`10`	`* Evaluate the value of an arithmetic expression in Reverse Polish Notation.`
`11`		`- *`
`12`	`11`	`* Valid operators are +, -, *, /. Each operand may be an integer or another expression.`
`13`	`12`	`*`
`14`	`13`	`* Note:`
`15`		`- *`
`16`	`14`	`* Division between two integers should truncate toward zero.`
`17`	`15`	`* The given RPN expression is always valid. That means the expression would always evaluate to a result and there won't be any divide by zero operation.`
`18`	`16`	`*`
`19`	`17`	`* Example 1:`
`20`		`- *`
`21`	`18`	`* Input: ["2", "1", "+", "3", "*"]`
`22`	`19`	`* Output: 9`
`23`	`20`	`* Explanation: ((2 + 1) * 3) = 9`
`24`	`21`	`*`
`25`	`22`	`* Example 2:`
`26`		`- *`
`27`	`23`	`* Input: ["4", "13", "5", "/", "+"]`
`28`	`24`	`* Output: 6`
`29`	`25`	`* Explanation: (4 + (13 / 5)) = 6`
`30`	`26`	`*`
`31`	`27`	`* Example 3:`
`32`		`- *`
`33`	`28`	`* Input: ["10", "6", "9", "3", "+", "-11", "", "/", "", "17", "+", "5", "+"]`
`34`	`29`	`* Output: 22`
`35`	`30`	`* Explanation:`