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Mithila Haat 2025
java for interview
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 ...
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