The Java Collection Framework, designed by Joshua Bloch, revolutionized data manipulation in Java. Discover the framework's rich history, benefits, and various collection types. Dive into a world of high-performance, reusable data structures and algorithms.

Write a java program to accept seconds as an input and convert into hours and minutes? import java.util.*; public class timeConvert { int sec=0,min=0,hr=0; int reminder=0; Scanner sr = new Scanner(System.in); public timeConvert(){ System.out.println(“Enter seconds to convert”); sec=sr.nextInt(); if(sec!=0){ min=sec/60; reminder=sec%60; sec=reminder; if(min>=60){ hr=min/60; min=min%60; } } System.out.println(hr+”Hours:”+min+”Minutes:”+sec+”Seconds”); } public …

Hi folks, now a day’s smart phone is a part in our daily life, we can’t imagine without it. Invention of Smartphone is one of the biggest achievements in technology field because of its features and functionalities. So people are habituated to it. We all know advantages of the smart …

What is Block chain Technology? Block chain technology is technology word which heard frequently in information technology sector.  First going into the term block chain technology, a block chain is a continuously or unbreakable growing list of records, called blocks and these are linked and high secured by using cryptography. …

AIR POLLUTION Contamination of air with smoke, dust and harmful gases is called air pollution and the substances causing pollution are called as pollutants. The common pollutants are: Gases like sulphur oxides, nitrogen oxides, carbon oxides and hydrogen sulphide, smoke soot and particulate matter etc. SOURCES OF AIR POLLUTION Burning/combustion …

OS/2 Operating System: OS/2 is a joint project of IBM and Microsoft. OS/2 is the successor of PC-DOS and designed for Intel 286 processor but version 1.x never really caught on except in a few specialized applications. History of OS/2: OS/2 is the family of operating system released in the …

What is water pollution? The contamination of water with unwanted and harmful substances is called water pollution. The sources of water pollution are industrial wastes, synthetic detergents, agricultural run-offs, oil leakage etc. Water pollution affects the aquatic life, makes the water non potable for drinking and causes a phenomenon known …

POLYMERS Polymers can be defined as the high molecular mass macromolecules that are formed due to the repetition of the basic unit, monomer. MONOMER The unit molecules that combines with each other to form a polymer. POLYMERISATION The process of formation of polymers by the repeated addition of the monomers …

ACIDS Acids are those substances which have a sour taste and can turn blue litmus red. BASES Bases are those substances which have a bitter taste and can turn red litmus blue. ARRHENIUS CONCEPT An acid is any hydrogen containing compound which gives H+ ion in aqueous solution. While, base …

Windows Operating System: Windows is an operating which is mile stone in the history. Microsoft windows simply it is windows, is a release from Microsoft. Windows belongs to the community of Graphical user interface community. A group of operating systems grouped together and forming Windows operating system. It is a …