Assistant Technical Service Engineer

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Assistant Technical Service Engineer Interview Questions and Answers

Updated 18 Sep 2024

Q1. Pointers are used in C/ C++. Why does Java not make use of pointers?

Ans.

Java does not use pointers because it was designed to be a simpler and safer language, with automatic memory management.

  • Java was designed to be a simpler and safer language compared to C/C++.

  • Java uses references instead of pointers to access objects in memory.

  • Pointers in C/C++ can lead to memory leaks and security vulnerabilities.

  • Example: In C/C++, you can directly manipulate memory addresses using pointers, while in Java, you cannot.

Q2. What are features of Java ?

Ans.

Java is a high-level programming language known for its platform independence, object-oriented features, and robustness.

  • Platform independence - Java programs can run on any platform with the help of Java Virtual Machine (JVM)

  • Object-oriented - Java supports the concepts of classes, objects, inheritance, and polymorphism

  • Robustness - Java has strong memory management, exception handling, and type safety features

  • Rich API - Java provides a vast collection of pre-built classes and ...read more

Assistant Technical Service Engineer Jobs

Associate Technical Services Engineer 4-5 years
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Associate Technical Services Engineer 3-5 years
Fujitsu Consulting India Pvt. Ltd.
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