Java PrintStream println(long)方法及实例

Java PrintStream println(long)方法及实例

Java中PrintStream类的println(long)方法用于在流中打印指定的长值,然后断开该行。这个长值被作为一个参数。

语法。

public void println(long longValue)

参数。这个方法接受一个强制性参数longValue,它是要写入流的长值。

返回值。该方法不返回任何值。

以下方法说明了println(long)方法的工作。

程序 1:

// Java program to demonstrate
// PrintStream println(long) method
  
import java.io.*;
  
class GFG {
    public static void main(String[] args)
    {
  
        try {
  
            // Create a PrintStream instance
            PrintStream stream
                = new PrintStream(System.out);
  
            // Print the long value '4'
            // to this stream using println() method
            // This will put the longValue in the
            // stream till it is printed on the console
            stream.println(4);
  
            stream.flush();
        }
        catch (Exception e) {
            System.out.println(e);
        }
    }
}

输出:

4

程序2。

// Java program to demonstrate
// PrintStream println(long) method
  
import java.io.*;
  
class GFG {
    public static void main(String[] args)
    {
  
        try {
  
            // Create a PrintStream instance
            PrintStream stream
                = new PrintStream(System.out);
  
            // Print the long value '65'
            // to this stream using println() method
            // This will put the longValue in the
            // stream till it is printed on the console
            stream.println(65);
  
            stream.flush();
        }
        catch (Exception e) {
            System.out.println(e);
        }
    }
}

输出:

65

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Java PrintStream