Java tutorial
//package com.java2s; //License from project: Apache License import android.support.annotation.NonNull; import java.io.File; import java.io.IOException; public class Main { public static final void deleteOrThrow(@NonNull File file) throws IOException { if (!file.exists()) { return; } boolean result = file.delete(); if (!result) { throw new IOException("Failed to delete a file, file=" + file.getAbsolutePath()); } } }