Write a program that prompts the user to enter a full name consisting of three names (first middle last) into one String variable. Then use methods of class String to: print the number of characters in the full name, excluding spaces print just the middle name and the number of characters in it. print the three initials of the name print the last name in all lower case. print the full name in the usual alphabetical format (Last, First Middle) and proper case.
Can you please help me with these 3 programs? Thank you so much.
Program41.java
Write a program that prompts the user to enter a full name consisting of three names (first middle last) into one String variable. Then use methods of class String to:
- print the number of characters in the full name, excluding spaces
- print just the middle name and the number of characters in it.
- print the three initials of the name
- print the last name in all lower case.
- print the full name in the usual alphabetical format (Last, First Middle) and proper case.
Program42.java
In right triangle ABC below, angle C is 90 degrees, side a = 48 , and side c = 73. Write a Java program that uses class Math to calculate the length of side b and the other two angles (in degrees). Express all measures accurate to two decimal places. See "Help with triangle program" above.
Program43.java
Here are some data regarding a retail purchase:
- item: photo paper
- dept: A
- price: $8.99
- quantity: 4
- taxable: true
Assign these data items (without user inputs) to Java variables of the most suitable type as suggested by the values. Then use the variables to calculate and generate the output exactly as shown below. Use only the printf() method. Purple indicates a variable to be displayed using a printf format specifier.
Required Output
Purchase: photo paper, quantity 4 @ $8.99
Dept A, taxable? true
Subtotal $35.96
7 % sales tax is $2.52
Total payable $38.48
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