CJCoding With Joseph
15per day
TitleTopicsAction
2
Add to Float InputWrite a program that reads a float number, adds 5.5 to it, and displays the resu...
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3
Divide Double InputWrite a program that reads a double number, divides it by 3, and displays the re...
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26
Read Single IntegerWrite a program that reads a single integer from the user using Scanner and prin...
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27
Read Single WordWrite a program that reads a single word (string) from the user using Scanner an...
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28
Read Two Integers and SumWrite a program that reads two integers from the user and displays their sum: S...
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29
Read Double InputWrite a program that reads a double value from the user and prints it with 2 dec...
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30
Read Character InputWrite a program that reads a single character from the user and prints: You pre...
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35
Read Double with Printf DisplayWrite a program that reads a double from the user and displays it with exactly 4...
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36
Capture Word with next()Write a program that captures a single word using next() and displays: You ente...
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38
Read Single Character InputWrite a program that captures a single character and displays: You entered [cha...
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49
Multiplication Table (while)Ask the user to enter a number, then print its multiplication table up to 10 usi...
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LoopsUser Input
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50
Factorial with Do-While (input)Ask the user for a number, then calculate and print its factorial using a do-whi...
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LoopsUser Input
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53
Break on Zero (while input)Keep asking for numbers in a while loop and break when the user enters 0. For ea...
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LoopsUser Input
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67
Print 1..N (for input)Read an integer N and print numbers from 1 to N using a for loop....
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LoopsUser Input
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124
Safe DivisionRead two integers and divide the first by the second. Print "Result: X" if the d...
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125
Safe Integer ParseRead one line of input. If it is a valid integer, print "Parsed: N". Otherwise p...
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132
Single CSV LineRead three lines of input: name, age, and country. Then print a CSV header and t...
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31
Read Full Line with nextLineWrite a program that reads a full line of text (including spaces) from the user ...
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32
Simple Calculator InputWrite a program that reads two double numbers from the user and displays all fou...
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33
Age Calculator InputWrite a program that reads a person's name (single word) and age, then calculate...
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34
Rectangle Area InputWrite a program that reads the length and width of a rectangle as doubles and ca...
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37
Read Full Name with nextLine()Write a program that reads a full name (with spaces) using nextLine() and displa...
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39
Buffer Issue with nextInt and nextLineWrite a program that reads an integer, then reads a full name (with spaces). Dis...
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43
Mixed Input Types - Age and NameWrite a program that reads three pieces of information in order: 1. An integer (...
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44
Temperature Input and ConversionWrite a program that reads a temperature in Celsius as a double and converts it ...
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87
Even or Odd (Input)Read an integer and print Even if it is divisible by 2, otherwise print Odd. ⚠️...
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If StatementsUser Input
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88
Positive, Negative, or Zero (Input)Read an integer and print Positive, Negative, or Zero using if/else if/else. ⚠️...
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89
Range Check 1..100 (Input)Read an integer and print In range if it is between 1 and 100 inclusive, otherwi...
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90
Simple Withdrawal Check (Input)Account balance is 1000. Read a withdrawal amount (double). If it is > 0 and <= ...
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If StatementsUser Input
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91
Scholarship Eligibility (Input)Read a float GPA and an int serviceHours. If GPA > 3.5 OR serviceHours >= 50, pr...
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137
Validate Age with ExceptionWrite a method validateAge(int age) that throws InvalidAgeException if age is le...
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138
CSV Two RowsRead two people from input. Each person has name, age, and country (one value pe...
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40
Safe Integer Input with ValidationWrite a program with an inputInt() method that safely reads an integer with vali...
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41
Input Integer in Range ValidatorCreate an inputIntRange() method that accepts a Scanner, min, and max value. It ...
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42
Character Option ValidatorCreate an inputCharOption() method that accepts a Scanner and a String of valid ...
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