Delete 'src/Expr.java'

src/Expr.java

@@ -1,10 +0,0 @@
-public class Expr {
-    String expression;
-    int value;
-    String mainOperator;
-    public Expr(String expression,int value,String mainOperator){
-        this.expression = expression;
-        this.mainOperator = mainOperator;
-        this.value = value;
-    }
-}