PTC Softwaretest Engineer Interview Questions and Answers

C is a procedural programming language while Java is an object-oriented programming language.

• C is a low-level language while Java is a high-level language.

• C requires manual memory management while Java has automatic memory management.

• C is platform-dependent while Java is platform-independent.

• C supports pointers while Java does not.

• C has a simpler syntax compared to Java.

final, finally, and finalize are keywords in Java with different meanings.

• final is a keyword used to declare a constant value, a variable that cannot be modified.

• finally is a block used in exception handling to ensure a piece of code is always executed, whether an exception is thrown or not.

• finalize is a method in the Object class that is called by the garbage collector before an object is destroyed.

• final and finally a...read more

Johnson is a reputable company known for its innovative software solutions and collaborative work environment.

• Johnson has a strong reputation in the industry for delivering high-quality software solutions.

• The company values collaboration and teamwork, which aligns with my own work style.

• I admire Johnson's commitment to innovation and staying ahead of technological advancements.

A sorting algorithm is a method of arranging elements in a specific order.

• Sorting algorithms can be categorized as comparison-based or non-comparison-based.

• Common sorting algorithms include bubble sort, insertion sort, selection sort, merge sort, quicksort, and heapsort.

• Efficiency of sorting algorithms is measured by their time complexity, space complexity, and stability.

• Example: Sorting an array of strings in alphabet