Greenkem Organic Boiler Operator Interview Questions and Answers for Experienced

Java is a high-level programming language used for developing applications and software.

• Java is object-oriented and platform-independent.

• It is used for developing web, mobile, and desktop applications.

• Java code is compiled into bytecode and executed by the Java Virtual Machine (JVM).

• Popular frameworks and tools for Java development include Spring, Hibernate, and Maven.

Assembly language is a low-level programming language that is specific to a particular computer architecture.

• Assembly language is a symbolic representation of machine code instructions.

• It is used to write programs that directly control the computer's hardware.

• Assembly language is platform-dependent and requires knowledge of the computer's architecture.

• It provides direct access to the computer's memory and registers.

• Exa...read more

Swapping two numbers without using a temp variable

• Use arithmetic operations to swap the values

• Add the two numbers and store the result in the first variable

• Subtract the second variable from the result and store it in the second variable

• Subtract the second variable from the first variable to get the original value of the second variable

• Example: a=5, b=7; a=a+b=12, b=a-b=5, a=a-b=7