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int level; // indentation level
int size; // size of table
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package com.allywll.core.exec.base;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.Charset;
import java.util.LinkedList;
import java.util.List;
import java.util.concurrent. ......
package thread;
public class ThreadTest {
public static void main(String args[])
{
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