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📜  Java中的 PrintStream print(char[]) 方法及示例

📅  最后修改于: 2022-05-13 01:55:21.645000             🧑  作者: Mango

Java中的 PrintStream print(char[]) 方法及示例

Java中PrintStream类的print(char[])方法用于在流上打印指定的字符数组。这个字符数组被作为一个参数。

句法:

public void print(char[] charArray)

参数:此方法接受一个强制参数charArray ,它是要在 Stream 中打印的字符数组。

返回值:此方法不返回任何值。

异常:如果指定的 charArray() 为 null,则此方法返回NullPointerException

下面的方法说明了 print(char[]) 方法的工作:

方案一:

// Java program to demonstrate
// PrintStream print(char[]) method
  
import java.io.*;
  
class GFG {
    public static void main(String[] args)
    {
  
        try {
  
            // Create a PrintStream instance
            PrintStream stream
                = new PrintStream(System.out);
  
            // Get the character array
            // to be printed in the stream
            char[] charArray = { 'G', 'e', 'e', 'k', 's',
                                 'F', 'o', 'r',
                                 'G', 'e', 'e', 'k', 's' };
  
            // print the charArray
            // to this stream using print() method
            // This will put the charArray in the stream
            // till it is printed on the console
            stream.print(charArray);
  
            stream.flush();
        }
        catch (Exception e) {
            System.out.println(e);
        }
    }
}
输出:
GeeksForGeeks

方案二:

// Java program to demonstrate
// PrintStream print(char[]) method
  
import java.io.*;
  
class GFG {
    public static void main(String[] args)
    {
  
        try {
  
            // Create a PrintStream instance
            PrintStream stream
                = new PrintStream(System.out);
  
            // Get the character array
            // to be printed in the stream
            char[] charArray = { 'G', 'F', 'G' };
  
            // print the charArray
            // to this stream using print() method
            // This will put the charArray in the stream
            // till it is printed on the console
            stream.print(charArray);
  
            stream.flush();
        }
        catch (Exception e) {
            System.out.println(e);
        }
    }
}
输出:
GFG