Object Oriented Concepts

P
Is it Abstarction not comes under Opps concept ?
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10
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3,559
anneroberts
vbraojava
What we must follow to create a SubClass to Abstract Class ?
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1
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2,099
anneroberts
S
Why abstract class cant be instantiated ?
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4
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8,632
anneroberts
R
why do we using THIS keyword and SUPER keyword in programming ?
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7
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6,965
anneroberts
S
What is the difference between equals() and == ?
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3
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1,724
anneroberts
N
What are the types of variables in Java ?
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16
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4,312
anneroberts
vbraojava
What is default size of Reference Variable ?
2
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29
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12,235
anneroberts
vbraojava
How can we call Super Class Constructor in Sub Class ?
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8
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5,455
anneroberts
vbraojava
Why Static methods don't act upon instance variables ?
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1
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1,791
anneroberts
vbraojava
How can we Make a Class as Immutable ?
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1
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2,207
anneroberts
S
How to decide whether to use Interface or Abstract Class ?
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1
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3,187
anneroberts
vbraojava
What is the Pre-Condition to Casting Advanced Data Type ?
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1
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1,458
anneroberts
vbraojava
Is it possible Constructor Overloading in Java ?
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12
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5,723
anneroberts
P
composition and aggregation
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3
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2,380
anneroberts
G
Why static methods cant be overridden in java?
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7
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5,685
anneroberts
P
final in abstract
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10
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4,680
anneroberts
vbraojava
Can we access Private members of Super Class ?
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1
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2,197
anneroberts
vbraojava
What we can have in Abstract Classes ?
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1
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1,820
anneroberts
vbraojava
How many types of Inheritances does Java support ?
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6
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2,541
anneroberts
vbraojava
How can we achieve Multiple Inheritance in Java ?
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1
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3,827
anneroberts
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