[JAVA] 별찍기

for(int i=1;i<5;i++){

	for(int j=0;j<i;j++){
    
		System.out.print("*");
        
	}
    
	System.out.println("");
    
}

for(int i=1;i<5;i++){

	for(int j=4;j>0;j--){
    
		if(i<j){
        
			System.out.print(" ");
            
		}else{
        
			System.out.print("*");
            
		}
        
	}
    
	System.out.println("");
    
}

for(int i=0;i<4;i++){

	for(int j=0;j<3-i;j++){
    
		System.out.print(" "); 
        
	}
    
	for(int j=0;j<2*i+1;j++){
    
		System.out.print("*"); 
        
	}
    
	System.out.println("");
    
}

****

***

**

*

 for (int i = 4; i > 0; i--) { 
 
 	for (int j = 0; j < i; j++) { 
    
    	System.out.print("*"); //공백 출력
        
  	}
    
   	System.out.println();
    
 }

****

()***

()()**

()()()*

for (int i = 0; i <4; i++) { 
 
	for (int j = 0; j < i; j++) {
    
    	System.out.print(" "); 
        
  	}
    
	for (int j = 3; j >=i; j--){
    
      	System.out.print("*"); //별 출력
        
 	}
    
   	System.out.println();
    
}