表示标题
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引用
package test;
import java.io.File;
import java.io.FileNotFoundException;import java.io.PrintStream;
public class PrintDemo {
public static void main(String[] args) {
PrintStream ps = null;
try {
ps = new PrintStream("D:" + File.separator + "test.txt"); }
catch (FileNotFoundException e) { e.printStackTrace(); }
ps.println("123");
ps.println("246");
ps.close(); }}
代码段
