feat: 연산자 비교 메서드 예제 코드 구현

Author: ksundong

yoonexample/src/main/java/stack/InfixToPostfix.java

@@ -0,0 +1,18 @@
+package stack;
+
+public class InfixToPostfix {
+
+  public char[] convertInputToCharArray(String input) {
+    return null;
+  }
+
+  public char[] convertInfixToPostfix(char[] input) {
+    return null;
+  }
+
+  public int compareOperator(char op1, char op2) {
+    OperatorPriority op1Priority = OperatorPriority.getOperatorPriority(op1);
+    OperatorPriority op2Priority = OperatorPriority.getOperatorPriority(op2);
+    return op1Priority.getPriority() - op2Priority.getPriority();
+  }
+}