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AP Computer Science - String Class Latest Version Already Passed How do you convert a string to an integer in Java? You can convert a string to an integer using `IInt(String s)`. What method is used to find the length of a string in Java? The method used to find the length of a string is `...

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  • September 1, 2024
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  • 2024/2025
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AP Computer Science - String Class
Latest Version Already Passed
How do you convert a string to an integer in Java?


✔✔You can convert a string to an integer using `Integer.parseInt(String s)`.




What method is used to find the length of a string in Java?


✔✔The method used to find the length of a string is `String.length()`.




How do you generate a random number between 0 (inclusive) and 1 (exclusive) in Java?


✔✔You generate a random number using `Math.random()`.




What method would you use to compare two strings for equality in Java?


✔✔You use `String.equals(Object obj)` to compare two strings for equality.




How can you round a decimal number to the nearest whole number in Java?


✔✔You can round a decimal number using `Math.round(double a)`.




1

, What method is used to get a substring from a string in Java?


✔✔You use `String.substring(int beginIndex, int endIndex)` to get a substring.




How do you convert all characters in a string to uppercase in Java?


✔✔You convert all characters to uppercase using `String.toUpperCase()`.




Which method is used to find the square root of a number in Java?


✔✔The method used is `Math.sqrt(double a)`.




How do you check if a character is a digit in Java?


✔✔You check if a character is a digit using `Character.isDigit(char ch)`.




What method would you use to convert an integer to a string in Java?


✔✔You convert an integer to a string using `Integer.toString(int i)`.




How do you find the maximum of two numbers in Java?


✔✔You find the maximum of two numbers using `Math.max(int a, int b)`.




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