Java int to string

String numCadena="";

int numero=20;

numCadena= Integer.toString(numero);

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Java String to int

int num;

String s;

s="12";

num=Integer.parseInt(s);

System.out.println(num);





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Java Hexadecimal a int (String to long (int grande))

long num;
String s;

s="ffaa";

num=Long.parseLong(s, 16);

System.out.println(num);





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