long to strong in java code example

Example 1: toString convert to long

long l = 12345L;
String str = String.valueOf(l); // str is '12345'

Example 2: toString convert to long

long number = 45;
System.out.println(Long.toBinaryString(number)); //101101
System.out.println(Long.toOctalString(number)); //55
System.out.println(Long.toHexString(number)); //2d
System.out.println(Long.toString(number, 5)); //140