Write the expression to use in an IF or WHILE to test the following conditions. Use single and double quotes as needed for char and String. example first char of String s not 's answer-s.charAt(0) != 's' 1. 5th character of String s is not a space (assume 5th char exists) 2. triangle specified by angles a,b,c (in degrees) is a right triangle 3. date specified by int month 1-12 & day 1-31 is between July 4th and Aug 15th inclusive 4. 3rd character of String s exists and is a space 5. String s has the contents "Hello