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原文:Overriding trouble

My code looks sort of like this, but this is a simplified version: class A: public class A{ public void testArgs(A a){ System.out.println("A"); } public void test(){ ...

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原文:Replace multiple substrings at once

Say I have a file, that contains some text. There are substrings like "substr1", "substr2", "substr3" etc. in it. I need to replace all of those substrings with some other text, like "repl1", "repl2", ...

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