Here you can find the source of toPrimitiveArrayType(Class> c)
public static Class<?> toPrimitiveArrayType(Class<?> c)
//package com.java2s; /**/* w w w.j a v a 2 s .c om*/ * MVEL 2.0 * Copyright (C) 2007 The Codehaus * Mike Brock, Dhanji Prasanna, John Graham, Mark Proctor * * 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 { public static Class<?> toPrimitiveArrayType(Class<?> c) { if (!c.isPrimitive()) throw new RuntimeException(c + " is not a primitive type"); if (c == int.class) return int[].class; if (c == long.class) return long[].class; if (c == double.class) return double[].class; if (c == float.class) return float[].class; if (c == short.class) return short[].class; if (c == byte.class) return byte[].class; if (c == char.class) return char[].class; return boolean[].class; } }