how to store a integer variable as character in java code example

Example 1: number to char java

char b = Integer.toString(a);//7-->"7"

char b = (char) b;//65-->"A"

Example 2: int to char java

int c=123;
 String s = Integer.toString(c);
for(char ch: s.toCharArray())
    System.out.print(ch+",");