ਜਗਮੀਤ ਸਿੰਘ

Hello everyone! I was trying a problem and now I am stuck. Can anyone please help me! Problem: I need to count occurence of strings in a data strcture and I created std::map...

public static <T extends Object & Comparable<? super T>> T max(Collection<? extends T> coll) What is the meaning of these constructs <T extends Object & Comparable<? super T>...

What is wrong with first method of converting array of primitive types to ArrayList any other way to do it? int[] arr = {1,2,3}; ArrayList<Integer> l = new ArrayList<Integer>...

what does this typedef statement do? typedef int(fptr*)(int, int); And If we write like fptr foo(int, int); So foo is returning pointer to a function which takes two integer a...

Language: java Source: class Rextester{ public static void main(String[] args) { String ip = "255.249.249.256"; System.out.println(ip.matches("((25[0-5...

How to read a file by Java Stream upto a special line for eg Read a file upto line starting with 123 File abc 1ABC 123 xyz The required stream should contain abc 1ABC And othe...

Both have same meaning? Can you point me to some resource for reding?

class test{ int line{8}; //what is this? //short hand for int line = 8;? };

I don't even have slightest clue what you just said! Where to study these?

"((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(.|$)){4}"

may be use str.equals("admin")?

different like what?