In java, the Integer integer class is used for conversion. If there is no exception, it is an integer, as shown in the following example:

? /**

*? From the keyboard? Get? integer

*? @ Return

*/

Public? Static electricity int？ getIntFromKeyboard()？ {

int？ num？ =? 0;

Scanner? Input? =? New? Scanner (system. in);

System.out.println ("Please enter an integer:");

Try it? {

num？ =? input . nextint()；

}? Catch? (exception? e)？ {

System.out.println ("The number you entered is not an integer!" );

Return? getintfromekeyboard()；

}

Return? num

}