Define the term Heterogeneous collection
Define the term Heterogeneous collection: It is a collection of objects with distinct dynamic types
1. Here is a short program. It prints out the value of a variable "x". Ernie and Bert disagree about what will be printed: Ernie says, the value gets changed in "changeX" so it will print "7", and Bert says, no, when the function exits the changes get reversed and the value goes back to "5". Explain
You will need to create a BottomUpTwoThreeFourTree class, with a BottomUpTwoThreeTreeFourTree constructor which keeps no parameters. BottomUpTwoThreeTreeFourTree will require an insert(int x) method, which will insert the value 
Octal: Number representation of octal is base 8. In base 8, simply the digits 0 to 7 are employed. Digit positions symbolize successive powers of 8.
Someone complains that throughout system testing the application frequently crashes. What probable process problem does which indicate?
Explain the benefits of distributed systems.
What is Unique Identifier and how do I determine one?
Byte code: Java source files are converted by a compiler into bytecodes that is, the instruction set of the Java Virtual Machine (JVM). The Bytecodes are stored in the .class files.
Write a program that initializes an integer array a[20] with values {0, 1, 2, 3, ...18, 19 - once each} then scrambles them up and prints the values in random order. For example: 19 2 3 8 11 1 4 17 7 15 9 0 16 12 18 13 5 6 10 14
Explain the relationship between XHTML and URL?
Server: Something which gives a service. The Web server delivers resources to its clients, for example. Whenever the server is an object, this is the recipient of messages from its object clients.
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