import java.util.Scanner; import java.util.Random; public class MainClass $\{$ public static void main$($String$[]$ args$)\{//$ Task $1$: char c$1=\text{'}$a$\text{'},$ c$2=\text{'}3\text{'},$ c$3=\text{'}?\text{'},$ c$4=\text{'}\text{'}$; System.out.println$(/*$add your code here$*/)$; $//$ convert c$1$ to upper case System.out.println$(/*$add your code here$*/)$; $//$ check if c$1$ is an upper case System.out.println$(/*$add your code here$*/)$; $//$ check if c$1$ is a digit System.out.println$(/*$add your code here$*/)$; $//$ check if c$2$ is a digit System.out.println$(/*$add your code here$*/)$; $//$ check if c$2$ is a letter System.out.println$(/*$add your code here$*/)$; $//$ check if c$3$ is a letter or a digit System.out.println$(/*$add your code here$*/)$; $//$ check if c$3$ is a special character $//------------------------------------------------------------------------//$ Task $2$: String sentence $=$"The internationalization of intergovernmental organizations necessitates comprehensive and meticulously detailed documentation"; $//$ Q$1$:what is the length of sentence System.out.println$(/*$add your code here$*/)$; $//$ Q$2$: write a java code snippet to determine and print the number of words in sentence variable $/*$add your code here$*///$ Q$3$: print the index of the first z character in sentence System.out.println$(/*$add your code here$*/)$; $//$ Q$4$: what character is at index $33$ System.out.println$(/*$add your code here$*/)$; $//$ Q$5$: does sentence end with "ion"? System.out.println$(/*$add your code here$*/)$; $//$ Q$6$: does sentence start with with "the"? System.out.println$(/*$add your code here$*/)$; $//$ Q$7$: extract "internationalization of intergovernmental" from sentence, store it in a variable and print it $/*$add your code here$*///------------------------------------------------------------------------//$ Task $3$: String name$1=$"Adam"; String name$2=$"adam"; $//$ compare the content of name$1$ & name$2($case sensitive & not case sensitive$)$ System.out.println$(/*$add your code here$*/)$; $//$ case sensitive System.out.println$(/*$add your code here$*/)$; $//$ not case sensitive $//------------------------------------------------------------------------//$ Task $4$: int num$1=12$; double num$2=12\mathrm{.}00009$; $//$ convert num$1$ and num$2$ to strings and store the strings into $2$ String variables, after that print the string variables $/*$add your code here$*///------------------------------------------------------------------------//$ Task $5$: $//$ Q$1$: create a stringBuilder object and initilize it with your full name $/*$add your code here$*///$ Q$2$: what is the size $($length "how many characters"$)$ of the stringBuilder object $//$ Q$3$: what is the capacity of the stringBuilder object $//$ Q$4$: add your id number to your name stored in the stringBuilder object $//$ Q$5$: explain what is the different between the size$($length$)$ of a string builder and the capacity System.out.println$(/*$add your code here$*/)$; $//------------------------------------------------------------------------\}\}$