Java Calendar internalGet()方法
java.util.Calendar类的internalGet()方法是一种受保护的最终方法。此方法返回作为参数传递的日历字段的值。
语法
protected final int internalGet(int field)
参数
field-给定的日历字段。
返回
给定日历字段的值。
抛出
不抛出异常。
示例1
import java.util.GregorianCalendar;
public class JavaCalendarinternalGetExample1 extends GregorianCalendar {
public static void main(String[] args) {
// create a new calendar object
JavaCalendarinternalGetExample1 mycal = new JavaCalendarinternalGetExample1();
// print the current date
System.out.println("The current date is : " + mycal.getTime());
// use internal get to get the year
System.out.println("Year : " + mycal.internalGet(YEAR));
// use internal get to get the month
System.out.println("Month : " + mycal.internalGet(MONTH));
// use internal get to get the month
System.out.println("Day : " + mycal.internalGet(DAY_OF_WEEK));
System.out.println(" Year " + mycal.internalGet(YEAR) + " Month " +
mycal.internalGet(DAY_OF_WEEK)+" Day "+ mycal.internalGet(DAY_OF_WEEK) );
}
}
输出:
The current date is : Fri Aug 10 17:08:13 PDT 2018
Year : 2018
Month : 7
Day : 6
Year 2018 Month 6 Day 6
示例2
import java.util.GregorianCalendar;
public class JavaCalendarinternalGetExample2 extends GregorianCalendar {
public static void main(String[] args) {
JavaCalendarinternalGetExample2 mycal = new JavaCalendarinternalGetExample2();
System.out.println("Todays date is : " + mycal.getTime());
// prints the value for the hour field passed as parameter to internalGet()
System.out.println(" HOUR : " + mycal.internalGet(HOUR));
// prints the value for the minute field passed as parameter to internalGet()
System.out.println(" MINUTE : " + mycal.internalGet(MINUTE));
// prints the value for the second field passed as parameter to internalGet()
System.out.println("SECOND : " + mycal.internalGet(SECOND));
}
}
输出:
Todays date is : Fri Aug 10 17:13:07 PDT 2018
HOUR : 5
MINUTE : 13
SECOND : 7
