class DataTypes
{
public static void main
( String [ ] args
) {
//declaration of variables
// integer takes whole numbers as 32 bit signed values
int rollNumber;
// double stores 64 bit floating point value
double average;
// byte stores 8 bit signed value
byte age;
//float stores 32 bit signed value
float height;
// short stores 16 bit signed value
short classSection;
//char stores 16 bit Unicode character
char grade;
//long stores 64 bit signed value
long totalMarks;
//boolean stores binary value either true or false
boolean passStatus;
//initialization of variables
rollNumber = 56 ;
average = 23.4 ;
age = 30 ;
height = 6.2f;
classSection = 8 ;
grade = 'A' ;
totalMarks = 1910 ;
passStatus = true ;
//print variables
System .
out .
printf ( "The roll number of student is: %d \n " , rollNumber
) ; System .
out .
printf ( "The average of marks is: %f \n " , average
) ; System .
out .
printf ( "The age of student is: %d \n " , age
) ; System .
out .
printf ( "The height of student is: %f \n " , height
) ; System .
out .
printf ( "The class section of student is: %d \n " , classSection
) ; System .
out .
printf ( "The grade of student is: %c \n " , grade
) ; System .
out .
printf ( "The total marks os student are %d\n " , totalMarks
) ; System .
out .
printf ( "The pass status of students is : %b\n " , passStatus
) ; }
}
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