Mine

class sentencereader
{
int a = 0;
int b = 0;
int c = 0;
int d = 0;
int e = 0;
int f = 0;
int g = 0;
int h = 0;
int i = 0;
int j = 0;
int k = 0;
int l = 0;
int m = 0;
int n = 0;
int o = 0;
int p = 0;
int q = 0;
int r = 0;
int s = 0;
int t = 0;
int u = 0;
int v = 0;
int w = 0;
int x = 0;
int y = 0;
int z = 0;

String sentence;

//constructor
sentencereader(){
sentence = "";
}
sentencereader(String s){
sentence = s;
}
public void setsentence(String s)
{
sentence = s;
}
public String getsentence()
{
return sentence;
}

public void getletters()
{
String lsentence = sentence.toLowerCase();
for(int i = 0; i < lsentence.length(); i++)
{
char test = lsentence.charAt(i);
if( test == 'a' ){ 
a++; }
if( test == 'b' ){ 
b++; }
if( test == 'c' ){ 
c++; }
if( test == 'd' ){ 
d++; }
if( test == 'e' ){ 
e++; }
if( test == 'f' ){ 
f++; }
if( test == 'g' ){ 
g++; }
if( test == 'h' ){ 
h++; }
if( test == 'i' ){ 
i++; }
if( test == 'j' ){ 
j++; }
if( test == 'k' ){ 
k++; }
if( test == 'l' ){ 
l++; }
if( test == 'm' ){ 
m++; }
if( test == 'n' ){ 
n++; }
if( test == 'o' ){ 
o++; }
if( test == 'p' ){ 
p++; }
if( test == 'q' ){ 
q++; }
if( test == 'r' ){ 
r++; }
if( test == 's' ){ 
s++; }
if( test == 't' ){ 
t++; }
if( test == 'u' ){ 
u++; }
if( test == 'v' ){ 
v++; }
if( test == 'w' ){ 
w++; }
if( test == 'x' ){ 
x++; }
if( test == 'y' ){ 
y++; }
if( test == 'z' ){ 
z++; }
}
}
public void printletters()
{
System.out.print("a: "); 
for(int i = 0; i < a; i++) { System.out.print("#"); } 
System.out.println();
System.out.print("b: "); 
for(int i = 0; i < b; i++) { System.out.print("#"); } 
System.out.println();
System.out.print("c: "); 
for(int i = 0; i < c; i++) { System.out.print("#"); } 
System.out.println();
System.out.print("d: "); 
for(int i = 0; i < d; i++) { System.out.print("#"); } 
System.out.println();
System.out.print("e: "); 
for(int i = 0; i < e; i++) { System.out.print("#"); } 
System.out.println();
System.out.print("f: "); 
for(int i = 0; i < f; i++) { System.out.print("#"); } 
System.out.println();
System.out.print("g: "); 
for(int i = 0; i < g; i++) { System.out.print("#"); } 
System.out.println();
System.out.print("h: "); 
for(int i = 0; i < h; i++) { System.out.print("#"); } 
System.out.println();
System.out.print("i: "); 
for(int i = 0; i < i; i++) { System.out.print("#"); } 
System.out.println();
System.out.print("j: "); 
for(int i = 0; i < j; i++) { System.out.print("#"); }
System.out.println(); 
System.out.print("k: "); 
for(int i = 0; i < k; i++) { System.out.print("#"); } 
System.out.println();
System.out.print("l: "); 
for(int i = 0; i < l; i++) { System.out.print("#"); }
System.out.println(); 
System.out.print("m: "); 
for(int i = 0; i < m; i++) { System.out.print("#"); } 
System.out.println();
System.out.print("n: "); 
for(int i = 0; i < n; i++) { System.out.print("#"); } 
System.out.println();
System.out.print("o: "); 
for(int i = 0; i < o; i++) { System.out.print("#"); }
System.out.println(); 
System.out.print("p: "); 
for(int i = 0; i < p; i++) { System.out.print("#"); }
System.out.println(); 
System.out.print("q: "); 
for(int i = 0; i < q; i++) { System.out.print("#"); }
System.out.println(); 
System.out.print("r: "); 
for(int i = 0; i < r; i++) { System.out.print("#"); }
System.out.println(); 
System.out.print("s: "); 
for(int i = 0; i < s; i++) { System.out.print("#"); }
System.out.println(); 
System.out.print("t: "); 
for(int i = 0; i < t; i++) { System.out.print("#"); } 
System.out.println();
System.out.print("u: "); 
for(int i = 0; i < u; i++) { System.out.print("#"); } 
System.out.println();
System.out.print("v: "); 
for(int i = 0; i < v; i++) { System.out.print("#"); } 
System.out.println();
System.out.print("w: "); 
for(int i = 0; i < w; i++) { System.out.print("#"); } 
System.out.println();
System.out.print("x: "); 
for(int i = 0; i < x; i++) { System.out.print("#"); }
System.out.println(); 
System.out.print("y: "); 
for(int i = 0; i < y; i++) { System.out.print("#"); }
System.out.println(); 
System.out.print("z: "); 
for(int i = 0; i < z; i++) { System.out.print("#"); }
System.out.println();  
}
}