Write a Java method static String caps(String str) that returns a capitalized version of a given...

  

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Write a Java method static String caps(String str) that returns a capitalized version of a given string. For example: String s1 = "Hello world!"; s1 = caps(s1); System.out.println(s1); would cause "HELLO WORLD!" to be printed. Q2. Write a Java method static int[] randomArray(int N) that returns an array of N random numbers, with each number falling between 0 and 9, inclusive. Implement the method so that it is twice as likely that a number falls in the range [0,5) as in the range [5,9]. Q3. Write a recursive method (using no loops) in Java to compute the number of space characters in a given string. Q4. In question Q1 above, could we re-write the caps method in the form static void caps(String str)? That is, could such a method change the contents of string s1 by calling caps(s1)? Why/ why not? Write a Java method static String caps(String str) that returns a capitalized version of a given string. For example: String s1 = "Hello world!"; s1 = caps(s1); System.out.println(s1); would cause "HELLO WORLD!" to be printed. Q2. Write a Java method static int[] randomArray(int N) that returns an array of N random numbers, with each number falling between 0 and 9, inclusive. Implement the method so that it is twice as likely that a number falls in the range [0,5) as in the range [5,9]. Q3. Write a recursive method (using no loops) in Java to compute the number of space characters in a given string. Q4. In question Q1 above, could we re-write the caps method in the form static void caps(String str)? That is, could such a method change the contents of string s1 by calling caps(s1)? Why/ why not?