Java - Tips'n Tricks - Printing four patterns using loops

class Pattern
{
public static void main(String[]args)
{
int num=13;
for(int i=1;i<=13;i++)
{
for(int j=;j<=4;j++)
{
System.out.print(i+" ");
i++;
}
System.out.println(" ");
}
}
}

Wat about this pattern
654
32
1

class Pattern2
{
public static void main(String args[])
{
int q=1;
for(int i=1;i<=4;i++)
{
if(i%2!=0)
{
for(int j=q;j<=q+3;j++)
{
System.out.print(j);
}
}
else{
for(int j=q+3;j>=q;j--)
{
System.out.print(j);
}

}q+=4;
System.out.println();
}
}
}

public class Parttern
{

public static void main(String[]args)
{
int num=1;
int num1=8;
int num2=9;
int num3=16;
for(int i=1;i<=4;i++)
{
for(int j=1;j<=4;j++)
{
if(i==1)
{
System.out.print(num+" ");
num=num+1;
}
else if(i==2)
{

System.out.print(num1+" ");
num1=num1-1;
}
else if(i==3)
{

System.out.print(num2+" ");
num2=num2+1;
}
else if(i==4)
{

System.out.print(num3+" ");
num3=num3-1;
}
}
System.out.println(" ");
}
}

}

use this code i hope it help you
these are kotlin code

for(i in 5 downTo 1)
{
for (j in 1..i)
{
print(j)
}
for(k in i..4)
{
print("__")
}
for (l in i downTo 1)
{
print(l)
}
println()

}

package loops;

public class Demo8
{
public static void main(String[] args)
{
for(int i=1;i<=5;i++)
{
for(int j=i;j>=1;j--)
{
System.out.print(j);
}
for (int k=2;k<=i;k++)
{
System.out.print(k);
}
System.out.println();
}

}

}

Hope you'll read this:

import java.io.*;
public class Test_Patterns
{
public static void main(String args[])throws IOException{
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
System.out.println("Enter number of lines:");
int n = Integer.parseInt(br.readLine());
for(int i = 1, a = 0, b = 0; i <= n; i++){
a += i;
b = a;
for(int j = b; j > (b - i); j--)
System.out.print(j + " ");
System.out.println();
}
}
}

for(i=0;i<n;i++)
{
t=w+lc;
for(j=0;j<lc;j++)
{
System.out.print(--t+"\t");
w++;
}
lc++;
System.out.println("");
}

class looping
{
public Static void main (String args[])
{
for (int i=1;i<=5;i++)
{
for (int j=1;j<=5;j++)
{
if(i==j)
{
System.out.println("*");
}
else
{
System.out.println(j);
}
}
}
}
}

public class Pattern4 {
public static void main(String[] args) {
//i m writing only concept
for(int i=1;i<=5;i++)
{
for(int j=1;j<=5;j++)
{
if(i==1&j==1||i==2&&j==2||i==3&&j==3||i==4&&j==4||i==5&&j==5)
{
System.out.print("*");
}
else
{
System.out.print(j);
}
}
System.out.print("\n");
}
}

}

n=5;
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
if(i==j)
print("*");
else
print(j);
}
print(" ");
}

public class Demo8
{
public static void main(String[] args)
{
for(int i=0;i<3;i++)
{
for(int j=0;j<1;j++)
{
System.out.print("A");

}
for(int k=0;k<1;k++)
{
System.out.print("B");

}
for(int l=0;l<1;l++)
{
System.out.print("C");

}
System.out.println();
}

}

}

Please sent me the code of above pattern

class series
{
static void main()
{
for(int x=1;x<=5;x++){
for(int y=1;y<=x;y++){
System.out.print(y);
}
System.out.println();
}}}

public static void main(String[] args) {
int arr[]= {1,2,1,2,1};
int z=1;
for(int i=1; i<4; i++) {
for(int j=2; j>=i; j--) {
System.out.print(" ");
}
for(int k=0; k<z; k++) {
System.out.print(arr[k]);
}
z=z+2;
System.out.println();
}
}

class abc
{
public static void main(String args[])
{
for(int x=1;x<=5;x++)
{
for(int y=1;y<=x;y++)
{
System.out.print("1");
}
System.out.println();
}
}
}

import java.io.*;
class P
{
public static void main(String args[])
{
for(int i=1;i<=5;i++)
{
for(int j=1;j<=i;j++)
{
System.out.print(j);
}
System.out.println();
}
}
}