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Vivek kumar Rocky

Hello, I’m Vivek Kumar Rocky from Madhubani, Bihar. Thank you for visiting my Blogspot page.

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- April 18, 2025

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- November 19, 2023

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- November 18, 2023

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1.find decimal to binary without using any data structure. import java.io.*; import java.util.*; class GFG { static String fun(int a) { if(a==0) { return "0"; } String st=""; while(a>0) { String temp= (a & 1)==1 ? "1": "0"; st=temp + st...

Operating System for cse

- April 14, 2019

1. New: Newly Created Process (or) being created process. 2. Ready: After creation Process moves to Ready state, i.e., process is ready for execution. 3. Run: Currently running process in CPU (only one process at a time can be under execution in a single processor). 4. Wait (or Block): When process request for I/O request. 5. Complete (or Terminated): Process Completed its execution. 6. Suspended Ready: When ready queue becomes full, some processes are moved to suspend ready state 7. Suspended Block: When waiting queue becomes full. Note: User-Level Threads User-level threads implement in user-level libraries, rather than via systems calls, so thread switching does not need to call operating system and to cause interrupt to the kernel. In fact, the kernel knows noth...

java for interview

- April 15, 2019

Java has 8 primitive data types : byte , boolean , char , double, short , int , long , float , Scanner Yesterday, we discussed Scanner's next , nextLine , hasNext , and hasNextLine methods Additive Operator The + operator is used for mathematical addition and String concatenation (i.e.: combining two Strings into one new String). If you add the contents of two variables together (e.g.: a + b ),….. System.out.println(a + b); c++ // eat whitespace getline(cin >> ws, s2); #include <iostream> #include <iomanip> using namespace std; int main(int argc, char *argv[]) { double pi = 3.14159; // Let's say we wanted to scale this to 2 decimal places: cout << fixed << setprecision(2) << pi << endl; printf("%.2f", pi); } which produces this output: 3.14 3.14 This is a common problem, and it happens because the nextInt method doesn't ...