Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Write a Java method that takes a variable of type String and returns a boolean value.
The method returns true if the taken string contains a valid password, false
otherwise. A valid password should satisfy all the following conditions:
• It can contain any character
• It contains at least 6 but not more than 20 characters
• The number of letters (both uppercase and lowercase) is equal to the number
of digits
The method's header is as follows.
public static boolean password (String s)
Sample run
String s
boolean b D
Result
"Hello12345";
true
password(s);
= "hellohi1234567";
String s
boolean b =
true
password(s);
String s = "hi21";
boolean b = password(s);
false
Paragraph.
BIU A
+.
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Transcribed Image Text:Write a Java method that takes a variable of type String and returns a boolean value. The method returns true if the taken string contains a valid password, false otherwise. A valid password should satisfy all the following conditions: • It can contain any character • It contains at least 6 but not more than 20 characters • The number of letters (both uppercase and lowercase) is equal to the number of digits The method's header is as follows. public static boolean password (String s) Sample run String s boolean b D Result "Hello12345"; true password(s); = "hellohi1234567"; String s boolean b = true password(s); String s = "hi21"; boolean b = password(s); false Paragraph. BIU A +.
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