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OOPS (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.
OOPS focuses on creating objects that interact with each other to solve problems
Key principles include encapsulation, inheritance, polymorphism, and abstraction
Encapsulation involves bundling data and methods that operate on the data into a single unit
Inheritance allows one class to inherit prop...
I applied via Walk-in and was interviewed before Mar 2023. There was 1 interview round.
Star pattern coding round. Even Odd number identification using different method.
Top trending discussions
I applied via Campus Placement and was interviewed in Jul 2022. There were 3 interview rounds.
Their are 30 questions which one has to done in 30 mins
I applied via Naukri.com and was interviewed in Jan 2022. There were 2 interview rounds.
In Java, == compares memory addresses while .equals() compares the actual content of objects.
== compares memory addresses of objects, while .equals() compares the actual content of objects.
== is used to compare primitive data types, while .equals() is used to compare objects.
Example: String str1 = new String("hello"); String str2 = new String("hello"); str1 == str2 will be false, but str1.equals(str2) will be true.
In Java, == compares object references, while .equals() compares object values.
Use == to compare if two object references point to the same memory location.
Use .equals() to compare if two objects have the same values.
Example: String str1 = new String("hello"); String str2 = new String("hello"); str1 == str2 will be false, but str1.equals(str2) will be true.
The size of an int in Java is 4 bytes.
An int in Java is a 32-bit signed integer.
It can hold values ranging from -2,147,483,648 to 2,147,483,647.
The size of an int is fixed at 4 bytes on all platforms.
Yes, the size of an int in Java is indeed 4 bytes (32 bits).
An int in Java can hold values ranging from -2,147,483,648 to 2,147,483,647.
The size of an int can be confirmed using the 'Integer.SIZE' constant in Java.
Using 'Integer.BYTES' will give the size of an int in bytes.
The default value of an int in Java is 0.
In Java, when an int variable is declared but not initialized, it is automatically assigned the default value of 0.
For example, int num; // num is assigned the default value of 0.
Yes, the default value of an int in Java is 0.
In Java, when an int variable is declared but not initialized, it will have a default value of 0.
For example, int num; will have a default value of 0.
This default value is assigned by the Java Virtual Machine (JVM) when memory is allocated for the variable.
In Java, == compares memory addresses while .equals() compares the actual content of objects.
== is used to compare memory addresses of objects, while .equals() is used to compare the actual content of objects.
== is used for primitive data types comparison, while .equals() is used for object comparison.
Example: String str1 = new String("hello"); String str2 = new String("hello"); str1 == str2 will return false, but str1
The difference between == and equals() in Java for comparing object references and values.
Use == to compare object references (memory location)
Use equals() to compare object values
Example: String str1 = new String("hello"); String str2 = new String("hello"); str1 == str2 will be false, but str1.equals(str2) will be true
Java stands for Just Another Virtual Machine
Java stands for Just Another Virtual Machine
It is a high-level programming language developed by Sun Microsystems
Java code is compiled into bytecode that runs on any Java Virtual Machine (JVM)
Java is a high-level, object-oriented programming language known for its portability and versatility.
Java is platform-independent, meaning it can run on any device with a Java Virtual Machine (JVM)
It is object-oriented, allowing for modular and reusable code
Java is known for its robust standard library, which includes tools for networking, data structures, and more
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