Java: append string to txt file

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foreword

This article mainly shares a way to append and write strings to txt files in Java.

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1. Code example

BufferedWriter bw = null;
  try {
    
    
       bw = new BufferedWriter(new FileWriter("C:\\Users\\user\\Desktop\\结果输出.txt", true));
       for (String out : outPutString) {
    
    
            try {
    
    
                bw.newLine();
                bw.write(out);
                bw.flush(); //很重要，要不然可能输出的字符串不完整！
            } catch (IOException e) {
    
    
                e.printStackTrace();
            }
        }
    }
  }catch (Exception e){
    
    
      e.printStackTrace();
  }
  finally {
    
    
	      try {
    
    
	           bw.close();
	       } catch (IOException e) {
    
    
	           e.printStackTrace();
	       }
  }