Integer.valueOf() vs. Integer.parseInt() [duplicate]

This question already has answers here: Different between parseInt() and valueOf() in java? (11 answers) Closed 4 years ago. Aside from Integer.parseInt() handling the minus sign (as documented), are there any other differences between Integer.valueOf() and Integer.parseInt()? And since neither can parse , as a decimal thousands separator (produces NumberFormatException), is there an already available … Read more

How to convert integer to string in C? [duplicate]

This question already has answers here: How to convert an int to string in C? (11 answers) Closed 9 years ago. I tried this example: /* itoa example */ #include <stdio.h> #include <stdlib.h> int main () { int i; char buffer [33]; printf (“Enter a number: “); scanf (“%d”,&i); itoa (i,buffer,10); printf (“decimal: %s\n”,buffer); itoa … Read more

Why is 128==128 false but 127==127 is true when comparing Integer wrappers in Java?

class D { public static void main(String args[]) { Integer b2=128; Integer b3=128; System.out.println(b2==b3); } } Output: false class D { public static void main(String args[]) { Integer b2=127; Integer b3=127; System.out.println(b2==b3); } } Output: true Note: Numbers between -128 and 127 are true. 8 Answers 8