import java.io.FileOutputStream; import java.io.*; 
public class String2File {   public String2File() {     String str = "abcdefghijklmnopqrstuvwxyz";     try {       FileOutputStream fos = new FileOutputStream("a.txt");       byte[] b = str.getBytes();       fos.write(b);     }     catch (Exception ex) {     }   } }  
 
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