Output statement in java:
System.out.println(1111);//换行打印 System.out.print(1111);//不换行打印 System.out.write(2222);//字节输出 System.out.printf("%+8.3f\n", 3.14);//按格式输出
System.out.println(); is the most commonly used output statement, it will put the brackets The content in is converted into a string and output to the output window (console) with line breaks. When the output is a basic data type, it will be automatically converted into a string. If the output is an object, the object's toString(() will be automatically called. ); method, output the return value to the console.
System.out.print(); Very similar to the first one, the difference is that the previous output will have a newline, but this command will not have a newline after the output.
System.out.printf();This method continues the output method of C language and outputs through formatted text and parameter list.
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