Java PrintWriter print(boolean)方法及实例

Java中PrintWriter类的print(boolean)方法是用来在流中打印指定的布尔值。这个布尔值被作为一个参数。

语法。

public void print(boolean booleanValue)

参数。这个方法接受一个强制性的参数booleanValue，它是要写入流中的布尔值。

返回值。该方法不返回任何值。

下面的方法说明了print(boolean)方法的工作。

程序 1:

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

输出:

true

程序2。

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

输出:

false