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How HashMap implemented in java? how it internally works when values are added or searched from hashMap?What is the difference betweenthe implementation of hashmap and Linked Hashmap?
IBM,
3 10685I declared main() method as private. But it still running and displaying the output. Please Answer it . Code Snippet as Below: import java.io.*; class over { private static void main(String[] args) { int high = Integer.MAX_VALUE; int overflow = high + 1; int low = Integer.MIN_VALUE; int underflow = low - 1; System.out.println(high + "\n" +overflow +"\n"+ low +"\n"+underflow); //System.out.println(overflow); //System.out.println(low); //System.out.println(underflow); } }
4 7443Hi Every One I Have Small Doubt Please answer This???????????????????????????? I Want to use AbstractList class methods(java.util.AbstractList) My Program is import java.util.*; class DemoOne extends AbstractList { public static void main(String[] args) { AbstractList a=new DemoOne();//This One is Correct?? DemoOne a1=new DemoOne();//This One is Correct?? Both Are Not Working System.out.println("Hello World!"+a); System.out.println("Hello World!"+a1); } } Error IS: DemoOne.java:2: DemoOne is not abstract and does not override abstract method get(int) in java.util.AbstractList class DemoOne extends AbstractList AnyOne can Please Provide The Solution????????????????????????? Plzzzzzzz
3 4839In Inheritance if we are implementing Multi level inheritance and all class having same name of variable and now i want to access each class variable and how it is possible?
2 50651) Find the Merge point of two linked lists. 2) Swap two bits of integer. 3) Reverse individual words of the sentence. 4) Reverse string without using temp string.
HCL,
2 6590
What is the difference between arraylist and hashset in java?
What does method mean?
According to java operator precedence, which operator is considered to be with highest precedence?
Which data type is class in java?
How do you allocate memory to object?
Is null == null in java?
What the difference is between execute, execute Query, execute Update?
Which way a developer should use for creating thread, i.e. Sub classing thread or implementing runnable.
What is java autoboxing?
Is null a string or object in java?
What is == in java?
what is use of functional interface in java 8?
Where to store local variables?
Difference between vector and arraylist.
What is final, finally, finalize?
