20 if-else practice problems in Java
20 if-else practice problems in Java, targeted towards SDET (Software Development Engineer in Test) skills but without solutions. Here they are:
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Check if a given number is even or odd.
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Check if a given year is a leap year or not.
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Check if a character is a vowel or a consonant.
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Find the greatest among three numbers.
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Check if a number is positive, negative, or zero.
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Check if a character is uppercase or lowercase.
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Check if a person is eligible to vote (age 18+).
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Check if a number is divisible by both 3 and 5.
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Check if a string is empty or not.
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Determine grade based on marks (A, B, C, etc.).
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Check if a triangle is valid based on its angles.
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Find whether a year is a century year or not.
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Check if a number is within a given range (e.g., 10 to 100).
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Check if a given day number (1-7) maps to a weekday or weekend.
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Check if a string starts with a capital letter.
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Check if a number is a multiple of another number.
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Validate if a password length is within a specified range.
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Check if an input character is a digit, letter, or special character.
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Check if two numbers are equal or not.
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Check if a number is prime or composite (basic version).
These focus on basic conditional logic using if-else blocks and are ideal for building logical foundations, especially for testing roles like SDET where validation conditions are key.
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