Questions

$1.$ Variable Declaration:

Write a Java program that declares an integer variable age and assigns it the value $20.$ Print the value of age.

$2.$ Data Types:

Create a Java program that declares a float variable temperature and assigns it the value $36\mathrm{.}6.$ Print the value of temperature.

$3.$ String Manipulation:

Write a Java program that declares a string variable name and assigns it your name. Print a greeting message like "Hello, $[$name$]!".$

$4.$ If$-$Else Statement:

Write a program that declares an integer variable score and assigns it a value of $75.$ Use an if$-$else statement to check if the score is greater than or equal to $60.$ If it is$,$ print "Pass", otherwise print "Fail".