PrintWriter 用 Java 打印(对象)方法，示例
原文:https://www . geesforgeks . org/print writer-print object-method-in-Java-with-examples/
Java 中 PrintWriter 类的 print(Object) 方法用于打印流中指定的对象。该对象作为一个参数。
语法:
public void print(Object object)
参数:此方法接受一个强制参数对象，它是要在流中打印的对象。
返回值:此方法不返回值。
以下方法说明了打印(对象)方法的工作原理:
程序 1:
// Java program to demonstrate
// PrintWriter print(Object) method
import java.io.*;
class GFG {
public static void main(String[] args)
{
try {
// Create a PrintWriter instance
PrintWriter writer
= new PrintWriter(System.out);
// Get the char[] object
// to be printed in the stream
char[] object = { 'G', 'e', 'e', 'k', 's',
'F', 'o', 'r',
'G', 'e', 'e', 'k', 's' };
// print the object
// to this writer using print() method
// This will put the object in the stream
// till it is printed on the console
writer.print(object);
writer.flush();
}
catch (Exception e) {
System.out.println(e);
}
}
}
Output:
GeeksForGeeks
程序 2:
// Java program to demonstrate
// PrintWriter print(Object) method
import java.io.*;
class GFG {
public static void main(String[] args)
{
try {
// Create a PrintWriter instance
PrintWriter writer
= new PrintWriter(System.out);
// Get the String Object
// to be printed in the stream
String object = "GFG";
// print the object
// to this writer using print() method
// This will put the object in the stream
// till it is printed on the console
writer.print(object);
writer.flush();
}
catch (Exception e) {
System.out.println(e);
}
}
}
Output:
GFG
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