Object Oriented Concepts

P
Is it Abstarction not comes under Opps concept ?
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10
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3,185
anneroberts
vbraojava
What we must follow to create a SubClass to Abstract Class ?
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1
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2,047
anneroberts
S
Why abstract class cant be instantiated ?
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4
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8,438
anneroberts
R
why do we using THIS keyword and SUPER keyword in programming ?
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7
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6,860
anneroberts
S
What is the difference between equals() and == ?
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3
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1,655
anneroberts
N
What are the types of variables in Java ?
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16
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4,188
anneroberts
vbraojava
What is default size of Reference Variable ?
2
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29
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11,927
anneroberts
vbraojava
How can we call Super Class Constructor in Sub Class ?
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8
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5,361
anneroberts
vbraojava
Why Static methods don't act upon instance variables ?
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1
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1,754
anneroberts
vbraojava
How can we Make a Class as Immutable ?
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1
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2,165
anneroberts
S
How to decide whether to use Interface or Abstract Class ?
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1
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3,156
anneroberts
vbraojava
What is the Pre-Condition to Casting Advanced Data Type ?
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1
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1,426
anneroberts
vbraojava
Is it possible Constructor Overloading in Java ?
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12
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5,543
anneroberts
P
composition and aggregation
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3
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2,299
anneroberts
G
Why static methods cant be overridden in java?
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7
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5,561
anneroberts
P
final in abstract
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10
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4,555
anneroberts
vbraojava
Can we access Private members of Super Class ?
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1
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2,154
anneroberts
vbraojava
What we can have in Abstract Classes ?
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1
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1,787
anneroberts
vbraojava
How many types of Inheritances does Java support ?
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6
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2,464
anneroberts
vbraojava
How can we achieve Multiple Inheritance in Java ?
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1
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3,786
anneroberts
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