Commit71de8eb

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Added a solution and updated README

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Lines changed: 38 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,38 @@`
	`1`	`+classSolution {`
	`2`	`+publicintevalRPN(String[]tokens) {`
	`3`	`+Stack<Integer>stack =newStack<>();`
	`4`	`+`
	`5`	`+Stringsigns ="+-*/";`
	`6`	`+`
	`7`	`+for (Stringtoken :tokens) {`
	`8`	`+if (signs.indexOf(token) != -1) {`
	`9`	`+intnum1 =stack.pop();`
	`10`	`+intnum2 =stack.pop();`
	`11`	`+`
	`12`	`+inttemp =performOperation(num2,num1,token);`
	`13`	`+`
	`14`	`+stack.push(temp);`
	`15`	`+ }`
	`16`	`+else {`
	`17`	`+stack.push(Integer.parseInt(token));`
	`18`	`+ }`
	`19`	`+ }`
	`20`	`+`
	`21`	`+returnstack.peek();`
	`22`	`+ }`
	`23`	`+`
	`24`	`+privateintperformOperation(intn1,intn2,Stringoper) {`
	`25`	`+if (oper.equals("+")) {`
	`26`	`+returnn1 +n2;`
	`27`	`+ }`
	`28`	`+elseif (oper.equals("-")) {`
	`29`	`+returnn1 -n2;`
	`30`	`+ }`
	`31`	`+elseif (oper.equals("*")) {`
	`32`	`+returnn1 *n2;`
	`33`	`+ }`
	`34`	`+else {`
	`35`	`+returnn1 /n2;`
	`36`	`+ }`
	`37`	`+ }`
	`38`	`+}`

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Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,6 @@`
`1`	`1`	`#LeetCode-Java-Solutions`
	`2`	`+Repository to store solutions to various problems in Leetcode practice and weekly contests`
	`3`	`+`
	`4`	`+[My Leetcode Profile](https://leetcode.com/varunu28/)`
`2`	`5`
`3`	`6`	`![image](https://cdn-images-1.medium.com/max/1360/1*5qdPLs4x9TuabvQJwu7iuA.png)`

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