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ICSE Class X Notes 2025 : Computer Applications (St. Xavier's High School, Panchkula)

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CLASS-10 ST. XAVIER S HIGH SCHOOL, PANCHKULA SESSION: 2024-2025 COMPUTER APPLICATIONS Wrapper Classes TERM 1 Multiple Choice Questions Correct answers are in red ink. 1. Which of these is a wrapper for data type int? a) Integer b) Long c) Byte d) Double 2. Which of these is a wrapper for simple data type char? a) Float b) Character c) String d) Integer 3.Which of the following is method of wrapper Integer for converting the value of an object into int? a) bytevalue() b) int intValue() c) Bytevalue() d) Byte Bytevalue() 4. Which of the following methods return the value as a double? a) doubleValue() b) converDouble() c) getDouble() d) getDoubleValue() 5.Which of these classes is not included in java.lang? a) Byte b) Integer c) Array d) Class 6.Which of these is a process of converting a simple data type into a class? a) type wrapping b) type conversion c) type casting d) none of the Mentioned 7.Which of the following package stores all the simple data types in java? a) lang b) java c) util d) java.packages 8. Which of these is a wrapper for simple data type float? a) float b) double c) Float d) Double

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