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siven lass x{ static int a; int b; void m10{ } static void m2

siven lass x{ static int a; int b; void m10{ } static void m2

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Given class x{ static int a; int b; void m10{ } static void m2(){ } } class Ab extends x{ static int a; int b; void m10{ } static void m2(){ } public static void main (String[] args){ } } which one is not valid inside of the main method O x obj = new x(); O x obj = new Ab(); O Ab obj = new x(); O Ab obj = new Ab();
Transcribed Image Text:Given class x{ static int a; int b; void m10{ } static void m2(){ } } class Ab extends x{ static int a; int b; void m10{ } static void m2(){ } public static void main (String[] args){ } } which one is not valid inside of the main method O x obj = new x(); O x obj = new Ab(); O Ab obj = new x(); O Ab obj = new Ab();
Given class x{ static int a; int b=12; void m1(0{ } static void m2({ } class Ab extends x{ static int a; int b=10; void m10{ } static void m20{ } public static void main (String[] args){ int b=3; x obj=new Ab(); } How can you get access to the "m1" method in the child class O cast obj before getting access to it O use obj.m1() O you cannot get access to the "m1" in the child class O use the super keyword O Either A or B
Transcribed Image Text:Given class x{ static int a; int b=12; void m1(0{ } static void m2({ } class Ab extends x{ static int a; int b=10; void m10{ } static void m20{ } public static void main (String[] args){ int b=3; x obj=new Ab(); } How can you get access to the "m1" method in the child class O cast obj before getting access to it O use obj.m1() O you cannot get access to the "m1" in the child class O use the super keyword O Either A or B
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