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Each time an object is started in Java it goes into the area of memory named as heap. The primitive variables like double and int are allocated in the stack, if they are local instances and in the heap if they are member variables. In Java functions and local variables are pushed into stack when a function is called and stack pointer is decremented when a method invoke is finished. In a multi-threaded application each thread may have its own stack but will share the similar heap. That is why care could be taken in your code to avoid any concurrent access concern in the heap space. The stack is thread-safe because each and every thread will have its own stack with say 1MB RAM allocated for each thread but the heap is not thread-safe unless protected with synchronization through your code. The stack space may be increased with the -Xss option.
All Java functions are automatically re-entrant. It states that various threads can be executing the same method at once, each with its own copy of the local instance. A Java method can call itself without using any special declarations. That is known as a recursive method call. Provided enough stack space, recursive method calls are completely perfect and valid in Java though it is tough to debug
1. Unit tests :There are two popular processes to testing server-side classes: mock objects, which test classes by checking the server container, and in-container testing, which
Default port used by RMI Registry is 1099
• Study and enhance the File System Simulator - See the FS_sim slide deck • New features - blockinfo - a new application that displays the information about the blocks in the file
2. Problem Description: A Java program needs to be written to display the result of following operations based input character. The table for input character with operations is : I
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Explain traversing through a collector using Iterator. Ans. We can access each element in Collection by using Iterators regardless of how they are organized in collector. Ite
Question: (a) (i) Explain the concept of inheritance. Illustrate your answer with a suitable Java example. (ii) Java does not support multiple inheritance but does provide
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What do you mean by a task's priority and how can we use it in scheduling ?
Explain all Java Primitive Data Types? boolean 1-bit. May take on the values true and false only. true and false are describe constants of the language and are not the s
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