Java Number Negate negate(String expr)

Description

negate

License

Apache License

Declaration

public static String negate(String expr) 

Method Source Code

//package com.java2s;
/*//from  w  w w  .java  2 s . com
 * Copyright 2011 JBoss Inc
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

public class Main {
    private static final String NEG = "ObjectComplementOf";

    public static String negate(String expr) {
        if (expr.startsWith(NEG)) {
            return expr.substring(NEG.length() + 1, expr.length() - 1);
        } else {
            return NEG + "(" + expr + ")";
        }
    }
}

Related

1. negate(double[] values)
2. negate(final Boolean bool)
3. negate(int[] ar)
4. negate(int[] input)
5. negate(int[] x, int Max)
6. negate(String string, String trueValue, String falseValue)
7. negate(String value)
8. negateExact(double a)
9. negateExpression(String expression)