TCS Java Programmer Interview Questions and Answers for Experienced

Trees and Graphs are data structures used to represent relationships between objects. Trees are hierarchical while Graphs are non-hierarchical.

• Trees have a single root node while Graphs can have multiple starting points

• Trees have parent-child relationships while Graphs have edges connecting nodes

• Trees are used for hierarchical data like file systems while Graphs are used for non-hierarchical data like social networks

• Tr...read more

Infosys is a leading global technology services and consulting company with a strong reputation for innovation and client satisfaction.

• Infosys has a strong track record of delivering successful projects and solutions to clients

• The company has a culture of continuous learning and development, providing opportunities for growth

• Infosys is known for its focus on innovation and cutting-edge technologies

• The company has a glo...read more

Pass by value copies the value of a variable, while pass by reference passes the memory address of the variable.

• Pass by value creates a new copy of the variable, while pass by reference uses the original variable.

• Pass by value is used for simple data types like integers and floats, while pass by reference is used for complex data types like arrays and objects.

• Pass by value is faster but less flexible, while pass by ref...read more