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理解Java包(package):概念和实际应用案例解析

最编程 2024-08-02 12:50:22
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package com.bruceeckel.tools.Assert; public class Assert { private static void perr(String msg){ System.err.println(msg); } public final static void is_true(boolean exp) { if(!exp) perr("Assertion failed"); } public final static void is_false(boolean exp) { if(!exp) perr("Assertion failed"); } public final static void is_true(boolean exp, String msg) { if(!exp) perr("Assertion failed: " + msg); } public final static void is_false(boolean exp, String msg) { if(!exp) perr("Assertion failed: " + msg); } }

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