Gives me an error call to 'this$()\text{'}$ must be first statement in constructor body. please fix

public class Time implements Comparable $\{$

private final int hours;

private final int minutes;

private final String meridian;

public Time$($int hours, int minutes, String meridian$)$ throws InvalidTime $\{$

$//$ Check if hours, minutes, and meridian are valid

if$($hours $<1||$ hours $>12||$ minutes $<0||$ minutes $>59||$

$!($meridian$.$equals$("$AM$")||$ meridian.equals$("$PM$")))\{$

throw new InvalidTime$("$Invalid time provided"$)$;

$\}$

this.hours $=$ hours;

this.minutes $=$ minutes;

this.meridian $=$ meridian;

$\}$

public Time$($String time$)$ throws InvalidTime $\{$

$//$ Parse the string and validate

$//$ Assume the format is correct for simplicity

String$[]$ parts $=$ time.split$("")$;

String$[]$ timeParts $=$ parts$[0].$split$("$:$")$;

int hours $=$ Integer.parseInt$($timeParts$[0])$;

int minutes $=$ Integer.parseInt$($timeParts$[1])$;

String meridian $=$ parts$[1]$;

$//$ Delegate to the primary constructor for validation

this $($hours$,$ minutes, meridian$)$;

$\}$

public int compareTo$($Time other$)\{$

$//$ Compare times here

$//$ This is a simplified comparison logic

if$(!$this.meridian.equals$($other$.$meridian$))\{$

return this.meridian.compareTo$($other$.$meridian$)$;

$\}$

if$($this$.$hours $!=$ other.hours$)\{$

return this.hours $-$ other.hours;

$\}$

return this.minutes $-$ other.minutes;

$\}$

public String toString$()\{$

return String.format$("\%02$d:$\%02$d $\%$s$",$ hours, minutes, meridian$)$;

$\}$

$//$ Getters here $($no setters as the class is immutable$)$

$\}$