megascus

<bugInfo>
    <bugs xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
        <bug id="20033733">
            <UId>FlexibleDataType-8548a492-5ffc-4b4d-8223-086ad9dc1770</UId>
            <description>PART IMC HIT ORA 600 [KGL-HEAP-SIZE-EXCEEDED]</description>
        </bug>
    </bugs>
</bugInfo>
<bugInfo>
    <bugs xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">

megascus

public class CloseableTest implements AutoCloseable {

    public static void main(String[] args) {

        try (CloseableTest test = new CloseableTest()) {
            test.throwException();;
        } catch (Exception e) {
            System.out.println("catch exception");
            System.out.println(e.getSuppressed()[0]); //close()メソッドの中で投げられた例外にcatch句でアクセスができる。
        }

megascus

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;

public class UncaughtExceptionHandlerSample {

    public static void main(String[] args) throws NoSuchFieldException, InterruptedException {

        //Threadに設定する場合

megascus

package test;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Paths;

import static java.nio.charset.StandardCharsets.*;

megascus

package test;

import java.io.BufferedWriter;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;

import static java.nio.charset.StandardCharsets.*;

public class CreateFile {

megascus

//source
public static void main(String... args) {
    String str = "";
    for(int i = 0;i < 100; i++) {
        str += "hoge";
    }
}


//decompile

megascus

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>JavaEEMaven</groupId>
    <artifactId>JavaEEMaven</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>war</packaging>

megascus

public class CharSetMain {
    public static void main(String[] args) {
        for (Charset cs : Charset.availableCharsets().values()) {
            System.out.println(charsetToString(cs));
        }
    }
   
    private static String charsetToString(Charset cs) {
        return cs.name() + aliasesToString(cs);
    }

megascus

/**
*
* @author megascus
*/
public class JoJo {
    
    public static void main(String[] args) {
        for (int i = 1; i <= 100; i++) System.out.println(isPrime(i) ? "JoJo" : i);
    }

megascus

/**
 *
 * @author megascus
 */
public class JoJo {

    public static void main(String[] args) {
        for (int i = 1; i <= 100; i++) {
            System.out.println(isPrime(i) ? "JoJo" : i);
        }