質問編集履歴
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画像添付、ソースコードを一つ添付
test
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test
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@@ -1 +1,177 @@
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eclipseを用いてJavaのプログラムを組んでいるのですが、eclipseを終了したあとも、Macのアクティビティモニタを見るとプロセス名[java]が５つほどあり、それぞれ900MBほどメモリを消費しているのですが、これらを解消するにはどうすればよいでしょうか。
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以下のコードを作り始めてから調子が悪いです。
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```Java
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import java.io.BufferedReader;
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import java.io.BufferedWriter;
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import java.io.File;
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import java.io.FileReader;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.io.PrintWriter;
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public class Main {
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public static void main(String[] args) {
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try {
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// ファイルのパスを指定する
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File file = new File("/Users/kishishitakoki/Downloads/test.sql");
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File file2 = new File("/Users/kishishitakoki/Downloads/test2.sql");
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PrintWriter pw = new PrintWriter(new BufferedWriter(new FileWriter(file2)));
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// ファイルが存在しない場合に例外が発生するので確認する
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if (!file.exists()) {
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System.out.print("ファイルが存在しません");
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return;
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}
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// BufferedReaderクラスのreadLineメソッドを使って1行ずつ読み込み表示する
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FileReader fileReader = new FileReader(file);
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BufferedReader bufferedReader = new BufferedReader(fileReader);
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String data;
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while ((data = bufferedReader.readLine()) != null) { //1行ずつ読み込む
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if(data.contains("市")) { //その行に”市”が入っていたら
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String[] words = data.split(",", 0); //その行を分割
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String[] newWords = words;
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String ans = "";
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data = "";
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for(int i = 0; i < words.length; i++) { //行を分割した回数だけ
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if(words[i].contains("市")) {
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newWords[i] = words[i].substring(0, 2) + "1" + words[i].substring(3);
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for(int k = 1; k < newWords[i].length(); k++) {
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if(2 * k < newWords[i].length() ) {
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newWords[i] = newWords[i].substring(0,2 * k) + random() + newWords[i].substring(2 * k + 1);
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}
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}
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newWords[i] = newWords[i].substring(0,newWords[i].length() - 1) + "'),";
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}
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data = data + newWords[i];
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data = data.replace("''", "'");
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}
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System.out.println(data);
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}else {
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System.out.println(data);
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}
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pw.println(data);
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}
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// 最後にファイルを閉じてリソースを開放する
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bufferedReader.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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private static String random() { //ランダムな文字を生成
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String[] Char = {
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"a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","0","1",
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"2","3","4","5","6","7","8","9"
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};
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String re = Char[(int) (Math.random() * 36)];
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return re;
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}
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private static boolean checkBeforeWritefile(File file){
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if (file.exists()){
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if (file.isFile() && file.canWrite()){
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return true;
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}
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}
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return false;
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}
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}
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```
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