Java tutorial
//package com.java2s; /* * Copyright (C) 2013 The Android Open Source Project * * 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 { static Class wrapperForPrimitiveType(Class type) { if (!type.isPrimitive()) { return type; } if (type == boolean.class) { return Boolean.class; } if (type == byte.class) { return Byte.class; } if (type == short.class) { return Short.class; } if (type == int.class) { return Integer.class; } if (type == long.class) { return Long.class; } if (type == float.class) { return Float.class; } if (type == double.class) { return Double.class; } if (type == char.class) { return Character.class; } throw new RuntimeException("Internal error"); } }