find the position of the first occurrence of the string within a string
/**
* * This example show how to find the position of a character in a string.
*
*/
public void indexOfExample1()
{
String str;
int position;
char COMMA = ',';
str = "Student, Joe";
// find the position of the first occurance of the comma in str
position = str.indexOf(COMMA);
// output the position and the string
System.out.println(position);
System.out.println(str);
}
public void indexOfExample2()
{
String str;
int position;
char ch = 'z';
str = "Student, Joe";
// a character that is not in the string returns a -1
position = str.indexOf(ch);
// output the position and the string
System.out.println(position);
System.out.println(str);
}